31849622104 has 8 divisors (see below), whose sum is σ = 59718041460. Its totient is φ = 15924811048.

The previous prime is 31849622069. The next prime is 31849622107. The reversal of 31849622104 is 40122694813.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31849622107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990601374 + ... + 1990601389.

Almost surely, 2^31849622104 is an apocalyptic number.

It is an amenable number.

31849622104 is a deficient number, since it is larger than the sum of its proper divisors (27868419356).

31849622104 is a wasteful number, since it uses less digits than its factorization.

31849622104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981202769 (or 3981202765 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 31849622104 in words is "thirty-one billion, eight hundred forty-nine million, six hundred twenty-two thousand, one hundred four".