312100130322 has 32 divisors (see below), whose sum is σ = 701911949760. Its totient is φ = 102779961120.

The previous prime is 312100130299. The next prime is 312100130327. The reversal of 312100130322 is 223031001213.

312100130322 is a `hidden beast` number, since 3 + 1 + 210 + 0 + 130 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 312100130295 and 312100130304.

It is not an unprimeable number, because it can be changed into a prime (312100130327) 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, 34812579 + ... + 34821542.

It is an arithmetic number, because the mean of its divisors is an integer number (21934748430).

Almost surely, 2^312100130322 is an apocalyptic number.

312100130322 is an abundant number, since it is smaller than the sum of its proper divisors (389811819438).

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

312100130322 is a wasteful number, since it uses less digits than its factorization.

312100130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69634215 (or 69634209 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312100130322 its reverse (223031001213), we get a palindrome (535131131535).

The spelling of 312100130322 in words is "three hundred twelve billion, one hundred million, one hundred thirty thousand, three hundred twenty-two".