31142742598 has 12 divisors (see below), whose sum is σ = 51346918980. Its totient is φ = 14155791980.

The previous prime is 31142742581. The next prime is 31142742599. The reversal of 31142742598 is 89524724113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142742599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64344268 + ... + 64344751.

It is an arithmetic number, because the mean of its divisors is an integer number (4278909915).

Almost surely, 2^31142742598 is an apocalyptic number.

31142742598 is a deficient number, since it is larger than the sum of its proper divisors (20204176382).

31142742598 is a wasteful number, since it uses less digits than its factorization.

31142742598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128689043 (or 128689032 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

It can be divided in two parts, 311427 and 42598, that added together give a square (354025 = 595²).

The spelling of 31142742598 in words is "thirty-one billion, one hundred forty-two million, seven hundred forty-two thousand, five hundred ninety-eight".