31320302101000 has 128 divisors (see below), whose sum is σ = 80743798062720. Its totient is φ = 11276436000000.

The previous prime is 31320302100943. The next prime is 31320302101043. The reversal of 31320302101000 is 10120302313.

It is a super-2 number, since 2×31320302101000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12984546 + ... + 15206545.

It is an arithmetic number, because the mean of its divisors is an integer number (630810922365).

Almost surely, 2^{31320302101000} is an apocalyptic number.

It is an amenable number.

31320302101000 is an abundant number, since it is smaller than the sum of its proper divisors (49423495961720).

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

31320302101000 is a wasteful number, since it uses less digits than its factorization.

31320302101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28191224 (or 28191210 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31320302101000 its reverse (10120302313), we get a palindrome (31330422403313).

The spelling of 31320302101000 in words is "thirty-one trillion, three hundred twenty billion, three hundred two million, one hundred one thousand".