313012230132 has 24 divisors (see below), whose sum is σ = 834699280576. Its totient is φ = 89432065728.

The previous prime is 313012230107. The next prime is 313012230163. The reversal of 313012230132 is 231032210313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 313012230099 and 313012230108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863167953 + ... + 1863168120.

Almost surely, 2^313012230132 is an apocalyptic number.

It is an amenable number.

313012230132 is an abundant number, since it is smaller than the sum of its proper divisors (521687050444).

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

313012230132 is a wasteful number, since it uses less digits than its factorization.

313012230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726336087 (or 3726336085 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 313012230132 its reverse (231032210313), we get a palindrome (544044440445).

The spelling of 313012230132 in words is "three hundred thirteen billion, twelve million, two hundred thirty thousand, one hundred thirty-two".