31232013213000 has 64 divisors (see below), whose sum is σ = 97443881233920. Its totient is φ = 8328536856000.

The previous prime is 31232013212963. The next prime is 31232013213007. The reversal of 31232013213000 is 31231023213.

It is not an unprimeable number, because it can be changed into a prime (31232013213007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5205332536 + ... + 5205338535.

It is an arithmetic number, because the mean of its divisors is an integer number (1522560644280).

Almost surely, 2^{31232013213000} is an apocalyptic number.

31232013213000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31232013213000 is an abundant number, since it is smaller than the sum of its proper divisors (66211868020920).

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

31232013213000 is a wasteful number, since it uses less digits than its factorization.

31232013213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410671095 (or 10410671081 counting only the distinct ones).

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

Adding to 31232013213000 its reverse (31231023213), we get a palindrome (31263244236213).

The spelling of 31232013213000 in words is "thirty-one trillion, two hundred thirty-two billion, thirteen million, two hundred thirteen thousand".