31444413204 has 48 divisors (see below), whose sum is σ = 78540940800. Its totient is φ = 9761508576.

The previous prime is 31444413181. The next prime is 31444413233. The reversal of 31444413204 is 40231444413.

It is a super-2 number, since 2×31444413204² (a number of 22 digits) contains 22 as substring.

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, 1155312 + ... + 1182215.

It is an arithmetic number, because the mean of its divisors is an integer number (1636269600).

Almost surely, 2^31444413204 is an apocalyptic number.

It is an amenable number.

31444413204 is an abundant number, since it is smaller than the sum of its proper divisors (47096527596).

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

31444413204 is a wasteful number, since it uses less digits than its factorization.

31444413204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337612 (or 2337610 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31444413204 its reverse (40231444413), we get a palindrome (71675857617).

The spelling of 31444413204 in words is "thirty-one billion, four hundred forty-four million, four hundred thirteen thousand, two hundred four".