1312312123113 has 16 divisors (see below), whose sum is σ = 1828833570816. Its totient is φ = 835458045840.

The previous prime is 1312312123093. The next prime is 1312312123117. The reversal of 1312312123113 is 3113212132131.

It is not a de Polignac number, because 1312312123113 - 2⁶ = 1312312123049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312312123117) 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, 15624523 + ... + 15708288.

It is an arithmetic number, because the mean of its divisors is an integer number (114302098176).

Almost surely, 2^{1312312123113} is an apocalyptic number.

It is an amenable number.

1312312123113 is a deficient number, since it is larger than the sum of its proper divisors (516521447703).

1312312123113 is a wasteful number, since it uses less digits than its factorization.

1312312123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31333444.

The product of its digits is 648, while the sum is 24.

Adding to 1312312123113 its reverse (3113212132131), we get a palindrome (4425524255244).

The spelling of 1312312123113 in words is "one trillion, three hundred twelve billion, three hundred twelve million, one hundred twenty-three thousand, one hundred thirteen".