31232000320212 has 24 divisors (see below), whose sum is σ = 72877459529056. Its totient is φ = 10410267899808.

The previous prime is 31232000320187. The next prime is 31232000320219. The reversal of 31232000320212 is 21202300023213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232000320219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49532863 + ... + 50159430.

Almost surely, 2^{31232000320212} is an apocalyptic number.

It is an amenable number.

31232000320212 is an abundant number, since it is smaller than the sum of its proper divisors (41645459208844).

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

31232000320212 is a wasteful number, since it uses less digits than its factorization.

31232000320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99718407 (or 99718405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31232000320212 its reverse (21202300023213), we get a palindrome (52434300343425).

The spelling of 31232000320212 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred twenty thousand, two hundred twelve".