1312022324431 has 48 divisors (see below), whose sum is σ = 1719899227200. Its totient is φ = 974422503936.

The previous prime is 1312022324411. The next prime is 1312022324443. The reversal of 1312022324431 is 1344232202131.

It is not a de Polignac number, because 1312022324431 - 2⁵ = 1312022324399 is a prime.

It is a super-2 number, since 2×1312022324431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312022324431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312022324411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3397555 + ... + 3763963.

It is an arithmetic number, because the mean of its divisors is an integer number (35831233900).

Almost surely, 2^{1312022324431} is an apocalyptic number.

1312022324431 is a deficient number, since it is larger than the sum of its proper divisors (407876902769).

1312022324431 is a wasteful number, since it uses less digits than its factorization.

1312022324431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366576 (or 366557 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1312022324431 its reverse (1344232202131), we get a palindrome (2656254526562).

The spelling of 1312022324431 in words is "one trillion, three hundred twelve billion, twenty-two million, three hundred twenty-four thousand, four hundred thirty-one".