31213232971230 has 64 divisors (see below), whose sum is σ = 76183248971520. Its totient is φ = 8182258807296.

The previous prime is 31213232971229. The next prime is 31213232971241. The reversal of 31213232971230 is 3217923231213.

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, 84497814 + ... + 84866406.

It is an arithmetic number, because the mean of its divisors is an integer number (1190363265180).

Almost surely, 2^{31213232971230} is an apocalyptic number.

31213232971230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31213232971230 is an abundant number, since it is smaller than the sum of its proper divisors (44970016000290).

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

31213232971230 is a wasteful number, since it uses less digits than its factorization.

31213232971230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416505.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 31213232971230 in words is "thirty-one trillion, two hundred thirteen billion, two hundred thirty-two million, nine hundred seventy-one thousand, two hundred thirty".