312010311022231 has 32 divisors (see below), whose sum is σ = 322315152344640. Its totient is φ = 301914737510400.

The previous prime is 312010311022219. The next prime is 312010311022261. The reversal of 312010311022231 is 132220113010213.

It is a cyclic number.

It is not a de Polignac number, because 312010311022231 - 2¹¹ = 312010311020183 is a prime.

It is a super-2 number, since 2×312010311022231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312010311022261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884354521 + ... + 884707261.

It is an arithmetic number, because the mean of its divisors is an integer number (10072348510770).

Almost surely, 2^{312010311022231} is an apocalyptic number.

312010311022231 is a deficient number, since it is larger than the sum of its proper divisors (10304841322409).

312010311022231 is a wasteful number, since it uses less digits than its factorization.

312010311022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353827.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312010311022231 its reverse (132220113010213), we get a palindrome (444230424032444).

The spelling of 312010311022231 in words is "three hundred twelve trillion, ten billion, three hundred eleven million, twenty-two thousand, two hundred thirty-one".