31402204444 has 48 divisors (see below), whose sum is σ = 61335338400. Its totient is φ = 13967606016.

The previous prime is 31402204439. The next prime is 31402204453. The reversal of 31402204444 is 44440220413.

It is a congruent number.

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, 805842 + ... + 843910.

It is an arithmetic number, because the mean of its divisors is an integer number (1277819550).

Almost surely, 2^31402204444 is an apocalyptic number.

It is an amenable number.

31402204444 is a deficient number, since it is larger than the sum of its proper divisors (29933133956).

31402204444 is a wasteful number, since it uses less digits than its factorization.

31402204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38662 (or 38660 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 31402204444 its reverse (44440220413), we get a palindrome (75842424857).

The spelling of 31402204444 in words is "thirty-one billion, four hundred two million, two hundred four thousand, four hundred forty-four".