31604577332 has 12 divisors (see below), whose sum is σ = 56086996896. Its totient is φ = 15579721080.

The previous prime is 31604577331. The next prime is 31604577337. The reversal of 31604577332 is 23377540613.

It is a self number, because there is not a number n which added to its sum of digits gives 31604577332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31604577331) by changing a digit.

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, 55641578 + ... + 55642145.

It is an arithmetic number, because the mean of its divisors is an integer number (4673916408).

Almost surely, 2^31604577332 is an apocalyptic number.

It is an amenable number.

31604577332 is a deficient number, since it is larger than the sum of its proper divisors (24482419564).

31604577332 is a wasteful number, since it uses less digits than its factorization.

31604577332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111283798 (or 111283796 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 31604577332 in words is "thirty-one billion, six hundred four million, five hundred seventy-seven thousand, three hundred thirty-two".