31253763142 has 16 divisors (see below), whose sum is σ = 54179880480. Its totient is φ = 13243969728.

The previous prime is 31253763133. The next prime is 31253763161. The reversal of 31253763142 is 24136735213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12540393 + ... + 12542884.

It is an arithmetic number, because the mean of its divisors is an integer number (3386242530).

Almost surely, 2^31253763142 is an apocalyptic number.

31253763142 is a deficient number, since it is larger than the sum of its proper divisors (22926117338).

31253763142 is a wasteful number, since it uses less digits than its factorization.

31253763142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25083375.

The product of its digits is 90720, while the sum is 37.

The spelling of 31253763142 in words is "thirty-one billion, two hundred fifty-three million, seven hundred sixty-three thousand, one hundred forty-two".