31000717413 has 8 divisors (see below), whose sum is σ = 45926988800. Its totient is φ = 20667144924.

The previous prime is 31000717409. The next prime is 31000717427. The reversal of 31000717413 is 31471700013.

It is not a de Polignac number, because 31000717413 - 2² = 31000717409 is a prime.

It is a super-2 number, since 2×31000717413² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1148174719 = 31000717413 / (3 + 1 + 0 + 0 + 0 + 7 + 1 + 7 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000717313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574087333 + ... + 574087386.

It is an arithmetic number, because the mean of its divisors is an integer number (5740873600).

Almost surely, 2^31000717413 is an apocalyptic number.

It is an amenable number.

31000717413 is a deficient number, since it is larger than the sum of its proper divisors (14926271387).

31000717413 is a wasteful number, since it uses less digits than its factorization.

31000717413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148174728 (or 1148174722 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The spelling of 31000717413 in words is "thirty-one billion, seven hundred seventeen thousand, four hundred thirteen".