1230131313 has 16 divisors (see below), whose sum is σ = 1823955840. Its totient is φ = 819394992.

The previous prime is 1230131299. The next prime is 1230131321. The reversal of 1230131313 is 3131310321.

It is a happy number.

It is not a de Polignac number, because 1230131313 - 2⁵ = 1230131281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230131363) 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, 14395 + ... + 51647.

It is an arithmetic number, because the mean of its divisors is an integer number (113997240).

Almost surely, 2^1230131313 is an apocalyptic number.

It is an amenable number.

1230131313 is a deficient number, since it is larger than the sum of its proper divisors (593824527).

1230131313 is a wasteful number, since it uses less digits than its factorization.

1230131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38485 (or 38479 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1230131313 is about 35073.2278668502. The cubic root of 1230131313 is about 1071.4793968347.

Adding to 1230131313 its reverse (3131310321), we get a palindrome (4361441634).

The spelling of 1230131313 in words is "one billion, two hundred thirty million, one hundred thirty-one thousand, three hundred thirteen".