31604129223388 has 48 divisors (see below), whose sum is σ = 55663729305184. Its totient is φ = 15700374789120.

The previous prime is 31604129223319. The next prime is 31604129223391. The reversal of 31604129223388 is 88332292140613.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5083498456 + ... + 5083504672.

Almost surely, 2^{31604129223388} is an apocalyptic number.

It is an amenable number.

31604129223388 is a deficient number, since it is larger than the sum of its proper divisors (24059600081796).

31604129223388 is a wasteful number, since it uses less digits than its factorization.

31604129223388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702 (or 11700 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 31604129223388 in words is "thirty-one trillion, six hundred four billion, one hundred twenty-nine million, two hundred twenty-three thousand, three hundred eighty-eight".