31402031244 has 48 divisors (see below), whose sum is σ = 73630128768. Its totient is φ = 10416181248.

The previous prime is 31402031173. The next prime is 31402031263. The reversal of 31402031244 is 44213020413.

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, 3458799 + ... + 3467865.

It is an arithmetic number, because the mean of its divisors is an integer number (1533961016).

Almost surely, 2^31402031244 is an apocalyptic number.

It is an amenable number.

31402031244 is an abundant number, since it is smaller than the sum of its proper divisors (42228097524).

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

31402031244 is a wasteful number, since it uses less digits than its factorization.

31402031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10454 (or 10452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31402031244 its reverse (44213020413), we get a palindrome (75615051657).

The spelling of 31402031244 in words is "thirty-one billion, four hundred two million, thirty-one thousand, two hundred forty-four".