31300212300 has 72 divisors (see below), whose sum is σ = 103499375616. Its totient is φ = 7154333760.

The previous prime is 31300212247. The next prime is 31300212313. The reversal of 31300212300 is 321200313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31300212300.

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 23 ways as a sum of consecutive naturals, for example, 7450332 + ... + 7454531.

It is an arithmetic number, because the mean of its divisors is an integer number (1437491328).

Almost surely, 2^31300212300 is an apocalyptic number.

31300212300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31300212300 is an abundant number, since it is smaller than the sum of its proper divisors (72199163316).

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

31300212300 is a wasteful number, since it uses less digits than its factorization.

31300212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904887 (or 14904880 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31300212300 its reverse (321200313), we get a palindrome (31621412613).

The spelling of 31300212300 in words is "thirty-one billion, three hundred million, two hundred twelve thousand, three hundred".