31542993482 has 64 divisors (see below), whose sum is σ = 63576576000. Its totient is φ = 11335308480.

The previous prime is 31542993463. The next prime is 31542993509. The reversal of 31542993482 is 28439924513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31542993482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915519 + ... + 2926317.

It is an arithmetic number, because the mean of its divisors is an integer number (993384000).

Almost surely, 2^31542993482 is an apocalyptic number.

31542993482 is an abundant number, since it is smaller than the sum of its proper divisors (32033582518).

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

31542993482 is a wasteful number, since it uses less digits than its factorization.

31542993482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291.

The product of its digits is 1866240, while the sum is 50.

The spelling of 31542993482 in words is "thirty-one billion, five hundred forty-two million, nine hundred ninety-three thousand, four hundred eighty-two".