31430317300 has 36 divisors (see below), whose sum is σ = 68215379596. Its totient is φ = 12569990400.

The previous prime is 31430317279. The next prime is 31430317319. The reversal of 31430317300 is 371303413.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9548807524 + 21881509776 = 97718^2 + 147924^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 649960 + ... + 696640.

Almost surely, 2^31430317300 is an apocalyptic number.

It is an amenable number.

31430317300 is an abundant number, since it is smaller than the sum of its proper divisors (36785062296).

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

31430317300 is a wasteful number, since it uses less digits than its factorization.

31430317300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53428 (or 53421 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 25.

The spelling of 31430317300 in words is "thirty-one billion, four hundred thirty million, three hundred seventeen thousand, three hundred".