312320320130 has 32 divisors (see below), whose sum is σ = 691909634304. Its totient is φ = 98844232896.

The previous prime is 312320320127. The next prime is 312320320139. The reversal of 312320320130 is 31023023213.

It is a super-2 number, since 2×312320320130² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312320320139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171603662 + ... + 171605481.

It is an arithmetic number, because the mean of its divisors is an integer number (21622176072).

Almost surely, 2^312320320130 is an apocalyptic number.

312320320130 is an abundant number, since it is smaller than the sum of its proper divisors (379589314174).

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

312320320130 is a wasteful number, since it uses less digits than its factorization.

312320320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343209170.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312320320130 its reverse (31023023213), we get a palindrome (343343343343).

The spelling of 312320320130 in words is "three hundred twelve billion, three hundred twenty million, three hundred twenty thousand, one hundred thirty".