1312023031344 has 60 divisors (see below), whose sum is σ = 3671925111712. Its totient is φ = 437331139200.

The previous prime is 1312023031331. The next prime is 1312023031351. The reversal of 1312023031344 is 4431303202131.

It is a happy number.

1312023031344 is a `hidden beast` number, since 1 + 3 + 12 + 0 + 2 + 303 + 1 + 344 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9230574 + ... + 9371634.

Almost surely, 2^{1312023031344} is an apocalyptic number.

It is an amenable number.

1312023031344 is an abundant number, since it is smaller than the sum of its proper divisors (2359902080368).

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

1312023031344 is a wasteful number, since it uses less digits than its factorization.

1312023031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205666 (or 205657 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1312023031344 its reverse (4431303202131), we get a palindrome (5743326233475).

The spelling of 1312023031344 in words is "one trillion, three hundred twelve billion, twenty-three million, thirty-one thousand, three hundred forty-four".