31104300172 has 72 divisors (see below), whose sum is σ = 63415623600. Its totient is φ = 13292928000.

The previous prime is 31104300167. The next prime is 31104300173. The reversal of 31104300172 is 27100340113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31104300173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14817579 + ... + 14819677.

It is an arithmetic number, because the mean of its divisors is an integer number (880772550).

Almost surely, 2^31104300172 is an apocalyptic number.

It is an amenable number.

31104300172 is an abundant number, since it is smaller than the sum of its proper divisors (32311323428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31104300172 is a wasteful number, since it uses less digits than its factorization.

31104300172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 31104300172 its reverse (27100340113), we get a palindrome (58204640285).

The spelling of 31104300172 in words is "thirty-one billion, one hundred four million, three hundred thousand, one hundred seventy-two".