31133203212000 has 192 divisors, whose sum is σ = 102945577722624. Its totient is φ = 8224596646400.

The previous prime is 31133203211989. The next prime is 31133203212031. The reversal of 31133203212000 is 21230233113.

It is a congruent number.

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, 10839522 + ... + 13407521.

It is an arithmetic number, because the mean of its divisors is an integer number (536174883972).

Almost surely, 2^{31133203212000} is an apocalyptic number.

31133203212000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31133203212000 is an abundant number, since it is smaller than the sum of its proper divisors (71812374510624).

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

31133203212000 is a wasteful number, since it uses less digits than its factorization.

31133203212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24247178 (or 24247160 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31133203212000 its reverse (21230233113), we get a palindrome (31154433445113).

The spelling of 31133203212000 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred three million, two hundred twelve thousand".