1231113003313 has 4 divisors (see below), whose sum is σ = 1295908424560. Its totient is φ = 1166317582068.

The previous prime is 1231113003277. The next prime is 1231113003317. The reversal of 1231113003313 is 3133003111321.

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 not a de Polignac number, because 1231113003313 - 2²⁵ = 1231079448881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231113003317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32397710595 + ... + 32397710632.

It is an arithmetic number, because the mean of its divisors is an integer number (323977106140).

Almost surely, 2^{1231113003313} is an apocalyptic number.

It is an amenable number.

1231113003313 is a deficient number, since it is larger than the sum of its proper divisors (64795421247).

1231113003313 is an equidigital number, since it uses as much as digits as its factorization.

1231113003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64795421246.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1231113003313 its reverse (3133003111321), we get a palindrome (4364116114634).

The spelling of 1231113003313 in words is "one trillion, two hundred thirty-one billion, one hundred thirteen million, three thousand, three hundred thirteen".