1312110222331 has 16 divisors (see below), whose sum is σ = 1372314645504. Its totient is φ = 1253300053824.

The previous prime is 1312110222299. The next prime is 1312110222347. The reversal of 1312110222331 is 1332220112131.

It is not a de Polignac number, because 1312110222331 - 2⁵ = 1312110222299 is a prime.

It is a super-2 number, since 2×1312110222331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312110222361) 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, 2206255 + ... + 2737111.

It is an arithmetic number, because the mean of its divisors is an integer number (85769665344).

Almost surely, 2^{1312110222331} is an apocalyptic number.

1312110222331 is a deficient number, since it is larger than the sum of its proper divisors (60204423173).

1312110222331 is a wasteful number, since it uses less digits than its factorization.

1312110222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532170.

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

Adding to 1312110222331 its reverse (1332220112131), we get a palindrome (2644330334462).

The spelling of 1312110222331 in words is "one trillion, three hundred twelve billion, one hundred ten million, two hundred twenty-two thousand, three hundred thirty-one".