1312430113 has 4 divisors (see below), whose sum is σ = 1328242608. Its totient is φ = 1296617620.

The previous prime is 1312430099. The next prime is 1312430159. The reversal of 1312430113 is 3110342131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3110342131 = 13 ⋅239257087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312430113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312430173) 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, 7906123 + ... + 7906288.

It is an arithmetic number, because the mean of its divisors is an integer number (332060652).

Almost surely, 2^1312430113 is an apocalyptic number.

It is an amenable number.

1312430113 is a deficient number, since it is larger than the sum of its proper divisors (15812495).

1312430113 is an equidigital number, since it uses as much as digits as its factorization.

1312430113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812494.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1312430113 is about 36227.4773203987. The cubic root of 1312430113 is about 1094.8603515188.

Adding to 1312430113 its reverse (3110342131), we get a palindrome (4422772244).

The spelling of 1312430113 in words is "one billion, three hundred twelve million, four hundred thirty thousand, one hundred thirteen".