31656141604 has 12 divisors (see below), whose sum is σ = 58313945200. Its totient is φ = 14995014408.

The previous prime is 31656141571. The next prime is 31656141611. The reversal of 31656141604 is 40614165613.

It is a super-2 number, since 2×31656141604² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208264014 + ... + 208264165.

Almost surely, 2^31656141604 is an apocalyptic number.

It is an amenable number.

31656141604 is a deficient number, since it is larger than the sum of its proper divisors (26657803596).

31656141604 is a wasteful number, since it uses less digits than its factorization.

31656141604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416528202 (or 416528200 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 31656141604 in words is "thirty-one billion, six hundred fifty-six million, one hundred forty-one thousand, six hundred four".