1231232314313 has 4 divisors (see below), whose sum is σ = 1242739158480. Its totient is φ = 1219725470148.

The previous prime is 1231232314309. The next prime is 1231232314321. The reversal of 1231232314313 is 3134132321321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1231232314313 - 2² = 1231232314309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231232314303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753421923 + ... + 5753422136.

It is an arithmetic number, because the mean of its divisors is an integer number (310684789620).

Almost surely, 2^{1231232314313} is an apocalyptic number.

It is an amenable number.

1231232314313 is a deficient number, since it is larger than the sum of its proper divisors (11506844167).

1231232314313 is a wasteful number, since it uses less digits than its factorization.

1231232314313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506844166.

The product of its digits is 7776, while the sum is 29.

Adding to 1231232314313 its reverse (3134132321321), we get a palindrome (4365364635634).

The spelling of 1231232314313 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred fourteen thousand, three hundred thirteen".