31011230013000 has 64 divisors (see below), whose sum is σ = 96755037649920. Its totient is φ = 8269661336000.

The previous prime is 31011230012969. The next prime is 31011230013019. The reversal of 31011230013000 is 31003211013.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5168535336 + ... + 5168541335.

It is an arithmetic number, because the mean of its divisors is an integer number (1511797463280).

Almost surely, 2^{31011230013000} is an apocalyptic number.

31011230013000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31011230013000 is an abundant number, since it is smaller than the sum of its proper divisors (65743807636920).

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

31011230013000 is a wasteful number, since it uses less digits than its factorization.

31011230013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337076695 (or 10337076681 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31011230013000 its reverse (31003211013), we get a palindrome (31042233224013).

The spelling of 31011230013000 in words is "thirty-one trillion, eleven billion, two hundred thirty million, thirteen thousand".