313032130000 has 100 divisors (see below), whose sum is σ = 776368035828. Its totient is φ = 122158720000.

The previous prime is 313032129989. The next prime is 313032130013. The reversal of 313032130000 is 31230313.

It can be written as a sum of positive squares in 10 ways, for example, as 254330593344 + 58701536656 = 504312^2 + 242284^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×313032130000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28254 + ... + 791746.

Almost surely, 2^313032130000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313032130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388184017914).

313032130000 is an abundant number, since it is smaller than the sum of its proper divisors (463335905828).

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

313032130000 is an equidigital number, since it uses as much as digits as its factorization.

313032130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763562 (or 763541 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 313032130000 its reverse (31230313), we get a palindrome (313063360313).

The spelling of 313032130000 in words is "three hundred thirteen billion, thirty-two million, one hundred thirty thousand".