1310151613 has 4 divisors (see below), whose sum is σ = 1314781408. Its totient is φ = 1305521820.

The previous prime is 1310151607. The next prime is 1310151617. The reversal of 1310151613 is 3161510131.

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 a de Polignac number, because none of the positive numbers 2^k-1310151613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310151617) 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, 2314473 + ... + 2315038.

It is an arithmetic number, because the mean of its divisors is an integer number (328695352).

Almost surely, 2^1310151613 is an apocalyptic number.

It is an amenable number.

1310151613 is a deficient number, since it is larger than the sum of its proper divisors (4629795).

1310151613 is an equidigital number, since it uses as much as digits as its factorization.

1310151613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629794.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1310151613 is about 36196.0165349725. The cubic root of 1310151613 is about 1094.2263915790.

Adding to 1310151613 its reverse (3161510131), we get a palindrome (4471661744).

The spelling of 1310151613 in words is "one billion, three hundred ten million, one hundred fifty-one thousand, six hundred thirteen".