31630004000 has 96 divisors (see below), whose sum is σ = 88817129856. Its totient is φ = 10844563200.

The previous prime is 31630003913. The next prime is 31630004047. The reversal of 31630004000 is 40003613.

It is a super-3 number, since 3×31630004000³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31630004000.

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, 536822 + ... + 592821.

It is an arithmetic number, because the mean of its divisors is an integer number (925178436).

Almost surely, 2^31630004000 is an apocalyptic number.

It is an amenable number.

31630004000 is an abundant number, since it is smaller than the sum of its proper divisors (57187125856).

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

31630004000 is a wasteful number, since it uses less digits than its factorization.

31630004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129675 (or 1129657 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31630004000 its reverse (40003613), we get a palindrome (31670007613).

The spelling of 31630004000 in words is "thirty-one billion, six hundred thirty million, four thousand".