31001412304 has 20 divisors (see below), whose sum is σ = 60112312164. Its totient is φ = 15488557568.

The previous prime is 31001412289. The next prime is 31001412319. The reversal of 31001412304 is 40321410013.

It is an interprime number because it is at equal distance from previous prime (31001412289) and next prime (31001412319).

It can be written as a sum of positive squares in 2 ways, for example, as 27383630400 + 3617781904 = 165480^2 + 60148^2 .

It is a super-2 number, since 2×31001412304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 738217 + ... + 779080.

Almost surely, 2^31001412304 is an apocalyptic number.

It is an amenable number.

31001412304 is a deficient number, since it is larger than the sum of its proper divisors (29110899860).

31001412304 is a wasteful number, since it uses less digits than its factorization.

31001412304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518582 (or 1518576 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31001412304 its reverse (40321410013), we get a palindrome (71322822317).

The spelling of 31001412304 in words is "thirty-one billion, one million, four hundred twelve thousand, three hundred four".