1312303112113 has 16 divisors (see below), whose sum is σ = 1514167200000. Its totient is φ = 1114080345792.

The previous prime is 1312303112083. The next prime is 1312303112171. The reversal of 1312303112113 is 3112113032131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312303112113 is a prime.

It is a super-2 number, since 2×1312303112113² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312303112513) 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, 1438573 + ... + 2166586.

It is an arithmetic number, because the mean of its divisors is an integer number (94635450000).

Almost surely, 2^{1312303112113} is an apocalyptic number.

It is an amenable number.

1312303112113 is a deficient number, since it is larger than the sum of its proper divisors (201864087887).

1312303112113 is a wasteful number, since it uses less digits than its factorization.

1312303112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605664.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1312303112113 its reverse (3112113032131), we get a palindrome (4424416144244).

The spelling of 1312303112113 in words is "one trillion, three hundred twelve billion, three hundred three million, one hundred twelve thousand, one hundred thirteen".