31406755554192 has 40 divisors (see below), whose sum is σ = 81135698768640. Its totient is φ = 10468714614400.

The previous prime is 31406755554169. The next prime is 31406755554197. The reversal of 31406755554192 is 29145555760413.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31406755554197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3871767 + ... + 8820662.

It is an arithmetic number, because the mean of its divisors is an integer number (2028392469216).

Almost surely, 2^{31406755554192} is an apocalyptic number.

It is an amenable number.

31406755554192 is an abundant number, since it is smaller than the sum of its proper divisors (49728943214448).

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

31406755554192 is a wasteful number, since it uses less digits than its factorization.

31406755554192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743991 (or 12743985 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 31406755554192 in words is "thirty-one trillion, four hundred six billion, seven hundred fifty-five million, five hundred fifty-four thousand, one hundred ninety-two".