31020210133000 has 128 divisors (see below), whose sum is σ = 79840570717440. Its totient is φ = 11280075928000.

The previous prime is 31020210132971. The next prime is 31020210133067. The reversal of 31020210133000 is 33101202013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10321972 + ... + 12983971.

It is an arithmetic number, because the mean of its divisors is an integer number (623754458730).

Almost surely, 2^{31020210133000} is an apocalyptic number.

It is an amenable number.

31020210133000 is an abundant number, since it is smaller than the sum of its proper divisors (48820360584440).

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

31020210133000 is a wasteful number, since it uses less digits than its factorization.

31020210133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23305997 (or 23305961 counting only the distinct ones).

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

Adding to 31020210133000 its reverse (33101202013), we get a palindrome (31053311335013).

The spelling of 31020210133000 in words is "thirty-one trillion, twenty billion, two hundred ten million, one hundred thirty-three thousand".