31112003300212 has 24 divisors (see below), whose sum is σ = 54793848301920. Its totient is φ = 15456621878880.

The previous prime is 31112003300197. The next prime is 31112003300227. The reversal of 31112003300212 is 21200330021113.

It is an interprime number because it is at equal distance from previous prime (31112003300197) and next prime (31112003300227).

It is a self number, because there is not a number n which added to its sum of digits gives 31112003300212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34254387 + ... + 35150917.

It is an arithmetic number, because the mean of its divisors is an integer number (2283077012580).

Almost surely, 2^{31112003300212} is an apocalyptic number.

It is an amenable number.

31112003300212 is a deficient number, since it is larger than the sum of its proper divisors (23681845001708).

31112003300212 is a wasteful number, since it uses less digits than its factorization.

31112003300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951951 (or 951949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31112003300212 its reverse (21200330021113), we get a palindrome (52312333321325).

The spelling of 31112003300212 in words is "thirty-one trillion, one hundred twelve billion, three million, three hundred thousand, two hundred twelve".