31371142476 has 48 divisors (see below), whose sum is σ = 74291946624. Its totient is φ = 10301677056.

The previous prime is 31371142433. The next prime is 31371142501. The reversal of 31371142476 is 67424117313.

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, 306975 + ... + 396201.

It is an arithmetic number, because the mean of its divisors is an integer number (1547748888).

Almost surely, 2^31371142476 is an apocalyptic number.

It is an amenable number.

31371142476 is an abundant number, since it is smaller than the sum of its proper divisors (42920804148).

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

31371142476 is a wasteful number, since it uses less digits than its factorization.

31371142476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89670 (or 89668 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

Adding to 31371142476 its reverse (67424117313), we get a palindrome (98795259789).

The spelling of 31371142476 in words is "thirty-one billion, three hundred seventy-one million, one hundred forty-two thousand, four hundred seventy-six".