312233012311 has 16 divisors (see below), whose sum is σ = 360693527040. Its totient is φ = 267122090880.

The previous prime is 312233012309. The next prime is 312233012321. The reversal of 312233012311 is 113210332213.

It is a cyclic number.

It is not a de Polignac number, because 312233012311 - 2¹ = 312233012309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233012321) 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, 1723720 + ... + 1896226.

It is an arithmetic number, because the mean of its divisors is an integer number (22543345440).

Almost surely, 2^312233012311 is an apocalyptic number.

312233012311 is a deficient number, since it is larger than the sum of its proper divisors (48460514729).

312233012311 is a wasteful number, since it uses less digits than its factorization.

312233012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182214.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312233012311 its reverse (113210332213), we get a palindrome (425443344524).

The spelling of 312233012311 in words is "three hundred twelve billion, two hundred thirty-three million, twelve thousand, three hundred eleven".