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23231122321131 = 3216731748758681
BaseRepresentation
bin1010100100000111010101…
…10010110010111011101011
310001020212120212011012010200
411102003222302302323223
511021104314303234011
6121224121423043243
74615251603422064
oct522035262627353
9101225525135120
1023231122321131
117447299a0946a
12273241ba40523
13cc68bab9262a
145a456c74d56b
152a4464e6c856
hex1520eacb2eeb

23231122321131 has 24 divisors (see below), whose sum is σ = 33863489753184. Its totient is φ = 15346111908480.

The previous prime is 23231122321103. The next prime is 23231122321151. The reversal of 23231122321131 is 13112322113232.

23231122321131 is a `hidden beast` number, since 2 + 3 + 2 + 311 + 2 + 232 + 113 + 1 = 666.

It is not a de Polignac number, because 23231122321131 - 239 = 22681366507243 is a prime.

It is a super-2 number, since 2×232311223211312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23231122321095 and 23231122321104.

It is not an unprimeable number, because it can be changed into a prime (23231122321151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23902890 + ... + 24855791.

It is an arithmetic number, because the mean of its divisors is an integer number (1410978739716).

Almost surely, 223231122321131 is an apocalyptic number.

23231122321131 is a deficient number, since it is larger than the sum of its proper divisors (10632367432053).

23231122321131 is a wasteful number, since it uses less digits than its factorization.

23231122321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48759171 (or 48759168 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 23231122321131 its reverse (13112322113232), we get a palindrome (36343444434363).

The spelling of 23231122321131 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 9 167 317 501 951 1503 2853 52939 158817 476451 48758681 146276043 438828129 8142699727 15456501877 24428099181 46369505631 73284297543 139108516893 2581235813459 7743707440377 23231122321131