31745035204 has 48 divisors (see below), whose sum is σ = 59507566272. Its totient is φ = 14765294592.

The previous prime is 31745035169. The next prime is 31745035211. The reversal of 31745035204 is 40253054713.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 31745035204.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3320359 + ... + 3329905.

It is an arithmetic number, because the mean of its divisors is an integer number (1239740964).

Almost surely, 2^31745035204 is an apocalyptic number.

31745035204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31745035204 is a deficient number, since it is larger than the sum of its proper divisors (27762531068).

31745035204 is a wasteful number, since it uses less digits than its factorization.

31745035204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132 (or 10130 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 31745035204 its reverse (40253054713), we get a palindrome (71998089917).

The spelling of 31745035204 in words is "thirty-one billion, seven hundred forty-five million, thirty-five thousand, two hundred four".