31142085127864 has 32 divisors (see below), whose sum is σ = 59651847777600. Its totient is φ = 15235126473600.

The previous prime is 31142085127847. The next prime is 31142085127889. The reversal of 31142085127864 is 46872158024113.

It is a super-2 number, since 2×31142085127864² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 11304219 + ... + 13786570.

It is an arithmetic number, because the mean of its divisors is an integer number (1864120243050).

Almost surely, 2^{31142085127864} is an apocalyptic number.

It is an amenable number.

31142085127864 is a deficient number, since it is larger than the sum of its proper divisors (28509762649736).

31142085127864 is a wasteful number, since it uses less digits than its factorization.

31142085127864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25094143 (or 25094139 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 31142085127864 in words is "thirty-one trillion, one hundred forty-two billion, eighty-five million, one hundred twenty-seven thousand, eight hundred sixty-four".