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23111323202331 = 32713127222196487
BaseRepresentation
bin1010100000101000001100…
…01101011011001100011011
310000211102100211222101211200
411100110012031123030123
511012123442214433311
6121053110104125243
74603511063624130
oct520240615331433
9100742324871750
1023111323202331
117400503489371
122713167466823
13cb85084b06a0
1459c845d78587
152a12a2947556
hex15050635b31b

23111323202331 has 48 divisors (see below), whose sum is σ = 41410315075584. Its totient is φ = 12094599125952.

The previous prime is 23111323202321. The next prime is 23111323202447. The reversal of 23111323202331 is 13320232311132.

23111323202331 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 1 + 3 + 2 + 320 + 2 + 331 = 666.

It is not a de Polignac number, because 23111323202331 - 218 = 23111322940187 is a prime.

It is a super-2 number, since 2×231113232023312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23111323202295 and 23111323202304.

It is not an unprimeable number, because it can be changed into a prime (23111323202311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110994231 + ... + 111202256.

It is an arithmetic number, because the mean of its divisors is an integer number (862714897408).

Almost surely, 223111323202331 is an apocalyptic number.

23111323202331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23111323202331 is a deficient number, since it is larger than the sum of its proper divisors (18298991873253).

23111323202331 is a wasteful number, since it uses less digits than its factorization.

23111323202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222196640 (or 222196637 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 23111323202331 its reverse (13320232311132), we get a palindrome (36431555513463).

The spelling of 23111323202331 in words is "twenty-three trillion, one hundred eleven billion, three hundred twenty-three million, two hundred two thousand, three hundred thirty-one".

Divisors: 1 3 7 9 13 21 39 63 91 117 127 273 381 819 889 1143 1651 2667 4953 8001 11557 14859 34671 104013 222196487 666589461 1555375409 1999768383 2888554331 4666126227 8665662993 13998378681 20219880317 25996988979 28218953849 60659640951 84656861547 181978922853 197532676943 253970584641 366846400037 592598030829 1100539200111 1777794092487 2567924800259 3301617600333 7703774400777 23111323202331