2931361212 has 24 divisors (see below), whose sum is σ = 7365984976. Its totient is φ = 901957248.

The previous prime is 2931361207. The next prime is 2931361217. The reversal of 2931361212 is 2121631392.

It is an interprime number because it is at equal distance from previous prime (2931361207) and next prime (2931361217).

It is a self number, because there is not a number n which added to its sum of digits gives 2931361212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931361217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9395233 + ... + 9395544.

Almost surely, 2^2931361212 is an apocalyptic number.

It is an amenable number.

2931361212 is an abundant number, since it is smaller than the sum of its proper divisors (4434623764).

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

2931361212 is a wasteful number, since it uses less digits than its factorization.

2931361212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18790797 (or 18790795 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 2931361212 is about 54142.0466181322. The cubic root of 2931361212 is about 1431.1652379975.

It can be divided in two parts, 29313 and 61212, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 2931361212 in words is "two billion, nine hundred thirty-one million, three hundred sixty-one thousand, two hundred twelve".