31012323204 has 12 divisors (see below), whose sum is σ = 72362087504. Its totient is φ = 10337441064.

The previous prime is 31012323179. The next prime is 31012323229. The reversal of 31012323204 is 40232321013.

It is an interprime number because it is at equal distance from previous prime (31012323179) and next prime (31012323229).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292180122 + ... + 1292180145.

Almost surely, 2^31012323204 is an apocalyptic number.

It is an amenable number.

31012323204 is an abundant number, since it is smaller than the sum of its proper divisors (41349764300).

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

31012323204 is a wasteful number, since it uses less digits than its factorization.

31012323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584360274 (or 2584360272 counting only the distinct ones).

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

Adding to 31012323204 its reverse (40232321013), we get a palindrome (71244644217).

The spelling of 31012323204 in words is "thirty-one billion, twelve million, three hundred twenty-three thousand, two hundred four".