31542456054155 has 8 divisors (see below), whose sum is σ = 37851017278272. Its totient is φ = 25233918167808.

The previous prime is 31542456054149. The next prime is 31542456054203. The reversal of 31542456054155 is 55145065424513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31542456054155 - 2⁴ = 31542456054139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2708774 + ... + 8391803.

It is an arithmetic number, because the mean of its divisors is an integer number (4731377159784).

Almost surely, 2^{31542456054155} is an apocalyptic number.

31542456054155 is a deficient number, since it is larger than the sum of its proper divisors (6308561224117).

31542456054155 is a wasteful number, since it uses less digits than its factorization.

31542456054155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668885.

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 31542456054155 in words is "thirty-one trillion, five hundred forty-two billion, four hundred fifty-six million, fifty-four thousand, one hundred fifty-five".