31749146032 has 10 divisors (see below), whose sum is σ = 61513970468. Its totient is φ = 15874573008.

The previous prime is 31749146029. The next prime is 31749146071. The reversal of 31749146032 is 23064194713.

It is a super-2 number, since 2×31749146032² (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, 992160798 + ... + 992160829.

Almost surely, 2^31749146032 is an apocalyptic number.

It is an amenable number.

31749146032 is a deficient number, since it is larger than the sum of its proper divisors (29764824436).

31749146032 is a wasteful number, since it uses less digits than its factorization.

31749146032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984321635 (or 1984321629 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 31749146032 in words is "thirty-one billion, seven hundred forty-nine million, one hundred forty-six thousand, thirty-two".