131051434250442 has 32 divisors (see below), whose sum is σ = 284797683947520. Its totient is φ = 40049674302960.

The previous prime is 131051434250419. The next prime is 131051434250497. The reversal of 131051434250442 is 244052434150131.

It is a self number, because there is not a number n which added to its sum of digits gives 131051434250442.

It is an unprimeable number.

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, 18541512348 + ... + 18541519415.

It is an arithmetic number, because the mean of its divisors is an integer number (8899927623360).

Almost surely, 2^{131051434250442} is an apocalyptic number.

131051434250442 is an abundant number, since it is smaller than the sum of its proper divisors (153746249697078).

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

131051434250442 is a wasteful number, since it uses less digits than its factorization.

131051434250442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37083031818.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 131051434250442 in words is "one hundred thirty-one trillion, fifty-one billion, four hundred thirty-four million, two hundred fifty thousand, four hundred forty-two".