102131042112342 has 32 divisors (see below), whose sum is σ = 226960555759200. Its totient is φ = 34043278044384.

The previous prime is 102131042112317. The next prime is 102131042112361. The reversal of 102131042112342 is 243211240131201.

102131042112342 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 3 + 1 + 0 + 421 + 1 + 234 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6559633 + ... + 15725484.

It is an arithmetic number, because the mean of its divisors is an integer number (7092517367475).

Almost surely, 2^{102131042112342} is an apocalyptic number.

102131042112342 is an abundant number, since it is smaller than the sum of its proper divisors (124829513646858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102131042112342 is a wasteful number, since it uses less digits than its factorization.

102131042112342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22369997 (or 22369991 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 102131042112342 its reverse (243211240131201), we get a palindrome (345342282243543).

The spelling of 102131042112342 in words is "one hundred two trillion, one hundred thirty-one billion, forty-two million, one hundred twelve thousand, three hundred forty-two".