31030300333212 has 48 divisors (see below), whose sum is σ = 76671148727040. Its totient is φ = 9740365299072.

The previous prime is 31030300333177. The next prime is 31030300333259. The reversal of 31030300333212 is 21233300303013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407440393 + ... + 407516544.

It is an arithmetic number, because the mean of its divisors is an integer number (1597315598480).

Almost surely, 2^{31030300333212} is an apocalyptic number.

It is an amenable number.

31030300333212 is an abundant number, since it is smaller than the sum of its proper divisors (45640848393828).

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

31030300333212 is a wasteful number, since it uses less digits than its factorization.

31030300333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814957130 (or 814957128 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31030300333212 its reverse (21233300303013), we get a palindrome (52263600636225).

The spelling of 31030300333212 in words is "thirty-one trillion, thirty billion, three hundred million, three hundred thirty-three thousand, two hundred twelve".