102000020012331 has 64 divisors (see below), whose sum is σ = 164638411481088. Its totient is φ = 54908990535168.

The previous prime is 102000020012291. The next prime is 102000020012351. The reversal of 102000020012331 is 133210020000201.

It is not a de Polignac number, because 102000020012331 - 2⁹ = 102000020011819 is a prime.

It is a super-2 number, since 2×102000020012331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102000020012331.

It is not an unprimeable number, because it can be changed into a prime (102000020012351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171118696 + ... + 171713738.

It is an arithmetic number, because the mean of its divisors is an integer number (2572475179392).

Almost surely, 2^{102000020012331} is an apocalyptic number.

102000020012331 is a deficient number, since it is larger than the sum of its proper divisors (62638391468757).

102000020012331 is a wasteful number, since it uses less digits than its factorization.

102000020012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600440.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102000020012331 its reverse (133210020000201), we get a palindrome (235210040012532).

The spelling of 102000020012331 in words is "one hundred two trillion, twenty million, twelve thousand, three hundred thirty-one".