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102020031223331 = 1339769128607081
BaseRepresentation
bin10111001100100101100011…
…101110001001011000100011
3111101020000112101102221212012
4113030211203232021120203
5101332444010443121311
61000551204430223135
730326463323216324
oct2714454356113043
9441200471387765
10102020031223331
112a5634a7a72591
12b5381ba054aab
1344c05a8697990
141b29b1db9444b
15bbdb9613478b
hex5cc963b89623

102020031223331 has 16 divisors (see below), whose sum is σ = 110303873345568. Its totient is φ = 93799182470400.

The previous prime is 102020031223291. The next prime is 102020031223339. The reversal of 102020031223331 is 133322130020201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102020031223331 is a prime.

It is a super-2 number, since 2×1020200312233312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020031223297 and 102020031223306.

It is not an unprimeable number, because it can be changed into a prime (102020031223339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10737290 + ... + 17869791.

It is an arithmetic number, because the mean of its divisors is an integer number (6893992084098).

Almost surely, 2102020031223331 is an apocalyptic number.

102020031223331 is a deficient number, since it is larger than the sum of its proper divisors (8283842122237).

102020031223331 is a wasteful number, since it uses less digits than its factorization.

102020031223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608182.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 102020031223331 its reverse (133322130020201), we get a palindrome (235342161243532).

The spelling of 102020031223331 in words is "one hundred two trillion, twenty billion, thirty-one million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 13 397 691 5161 8983 274327 3566251 28607081 371892053 11357011157 19767492971 147641145041 256977408623 7847694709487 102020031223331