31746028900 has 18 divisors (see below), whose sum is σ = 68888882930. Its totient is φ = 12698411520.

The previous prime is 31746028889. The next prime is 31746028907. The reversal of 31746028900 is 982064713.

It can be written as a sum of positive squares in 3 ways, for example, as 4815249664 + 26930779236 = 69392^2 + 164106^2 .

It is not an unprimeable number, because it can be changed into a prime (31746028907) 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 5 ways as a sum of consecutive naturals, for example, 158730045 + ... + 158730244.

Almost surely, 2^31746028900 is an apocalyptic number.

It is an amenable number.

31746028900 is an abundant number, since it is smaller than the sum of its proper divisors (37142854030).

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

31746028900 is a wasteful number, since it uses less digits than its factorization.

31746028900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317460303 (or 317460296 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 31746028900 in words is "thirty-one billion, seven hundred forty-six million, twenty-eight thousand, nine hundred".