312133021130 has 64 divisors (see below), whose sum is σ = 654893123328. Its totient is φ = 104903216640.

The previous prime is 312133021129. The next prime is 312133021141. The reversal of 312133021130 is 31120331213.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645560 + ... + 1020300.

It is an arithmetic number, because the mean of its divisors is an integer number (10232705052).

Almost surely, 2^312133021130 is an apocalyptic number.

312133021130 is an abundant number, since it is smaller than the sum of its proper divisors (342760102198).

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

312133021130 is a wasteful number, since it uses less digits than its factorization.

312133021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374991.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312133021130 its reverse (31120331213), we get a palindrome (343253352343).

The spelling of 312133021130 in words is "three hundred twelve billion, one hundred thirty-three million, twenty-one thousand, one hundred thirty".