31298624468 has 12 divisors (see below), whose sum is σ = 54775478100. Its totient is φ = 15648487872.

The previous prime is 31298624449. The next prime is 31298624473. The reversal of 31298624468 is 86442689213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14148626704 + 17149997764 = 118948^2 + 130958^2 .

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, 116321 + ... + 275912.

It is an arithmetic number, because the mean of its divisors is an integer number (4564623175).

Almost surely, 2^31298624468 is an apocalyptic number.

It is an amenable number.

31298624468 is a deficient number, since it is larger than the sum of its proper divisors (23476853632).

31298624468 is a wasteful number, since it uses less digits than its factorization.

31298624468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412186 (or 412184 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The spelling of 31298624468 in words is "thirty-one billion, two hundred ninety-eight million, six hundred twenty-four thousand, four hundred sixty-eight".