31283300900 has 18 divisors (see below), whose sum is σ = 67884763170. Its totient is φ = 12513320320.

The previous prime is 31283300879. The next prime is 31283300927. The reversal of 31283300900 is 900338213.

It can be written as a sum of positive squares in 3 ways, for example, as 8386163776 + 22897137124 = 91576^2 + 151318^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156416405 + ... + 156416604.

Almost surely, 2^31283300900 is an apocalyptic number.

It is an amenable number.

31283300900 is an abundant number, since it is smaller than the sum of its proper divisors (36601462270).

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

31283300900 is a wasteful number, since it uses less digits than its factorization.

31283300900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312833023 (or 312833016 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 31283300900 in words is "thirty-one billion, two hundred eighty-three million, three hundred thousand, nine hundred".