1230091313 has 16 divisors (see below), whose sum is σ = 1401532416. Its totient is φ = 1068674640.

The previous prime is 1230091309. The next prime is 1230091349. The reversal of 1230091313 is 3131900321.

It is not a de Polignac number, because 1230091313 - 2² = 1230091309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1230091813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556256 + ... + 558462.

It is an arithmetic number, because the mean of its divisors is an integer number (87595776).

Almost surely, 2^1230091313 is an apocalyptic number.

It is an amenable number.

1230091313 is a deficient number, since it is larger than the sum of its proper divisors (171441103).

1230091313 is a wasteful number, since it uses less digits than its factorization.

1230091313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1230091313 is about 35072.6576267040. The cubic root of 1230091313 is about 1071.4677829958.

Adding to 1230091313 its reverse (3131900321), we get a palindrome (4361991634).

The spelling of 1230091313 in words is "one billion, two hundred thirty million, ninety-one thousand, three hundred thirteen".