1313013131233 has 4 divisors (see below), whose sum is σ = 1316979938608. Its totient is φ = 1309046323860.

The previous prime is 1313013131123. The next prime is 1313013131237. The reversal of 1313013131233 is 3321313103131.

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 1313013131233 - 2²⁹ = 1312476260321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313013131198 and 1313013131207.

It is not an unprimeable number, because it can be changed into a prime (1313013131237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983403191 + ... + 1983403852.

It is an arithmetic number, because the mean of its divisors is an integer number (329244984652).

Almost surely, 2^{1313013131233} is an apocalyptic number.

It is an amenable number.

1313013131233 is a deficient number, since it is larger than the sum of its proper divisors (3966807375).

1313013131233 is an equidigital number, since it uses as much as digits as its factorization.

1313013131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966807374.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1313013131233 its reverse (3321313103131), we get a palindrome (4634326234364).

The spelling of 1313013131233 in words is "one trillion, three hundred thirteen billion, thirteen million, one hundred thirty-one thousand, two hundred thirty-three".