313231032300 has 144 divisors (see below), whose sum is σ = 922320030240. Its totient is φ = 82062704640.

The previous prime is 313231032277. The next prime is 313231032311. The reversal of 313231032300 is 3230132313.

It is a super-2 number, since 2×313231032300² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3947416 + ... + 4025984.

It is an arithmetic number, because the mean of its divisors is an integer number (6405000210).

Almost surely, 2^313231032300 is an apocalyptic number.

313231032300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313231032300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461160015120).

313231032300 is an abundant number, since it is smaller than the sum of its proper divisors (609088997940).

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

313231032300 is a wasteful number, since it uses less digits than its factorization.

313231032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78820 (or 78813 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 313231032300 its reverse (3230132313), we get a palindrome (316461164613).

The spelling of 313231032300 in words is "three hundred thirteen billion, two hundred thirty-one million, thirty-two thousand, three hundred".