31044195428 has 6 divisors (see below), whose sum is σ = 54327342006. Its totient is φ = 15522097712.

The previous prime is 31044195401. The next prime is 31044195443. The reversal of 31044195428 is 82459144013.

It can be written as a sum of positive squares in only one way, i.e., 31043620864 + 574564 = 176192^2 + 758^2 .

It is a super-2 number, since 2×31044195428² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3880524425 + ... + 3880524432.

It is an arithmetic number, because the mean of its divisors is an integer number (9054557001).

Almost surely, 2^31044195428 is an apocalyptic number.

It is an amenable number.

31044195428 is a deficient number, since it is larger than the sum of its proper divisors (23283146578).

31044195428 is a wasteful number, since it uses less digits than its factorization.

31044195428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761048861 (or 7761048859 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 31044195428 in words is "thirty-one billion, forty-four million, one hundred ninety-five thousand, four hundred twenty-eight".