1131313023313 has 4 divisors (see below), whose sum is σ = 1234159661808. Its totient is φ = 1028466384820.

The previous prime is 1131313023311. The next prime is 1131313023331. The reversal of 1131313023313 is 3133203131311.

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 1131313023313 - 2¹ = 1131313023311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131313023311) 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, 51423319231 + ... + 51423319252.

It is an arithmetic number, because the mean of its divisors is an integer number (308539915452).

Almost surely, 2^{1131313023313} is an apocalyptic number.

It is an amenable number.

1131313023313 is a deficient number, since it is larger than the sum of its proper divisors (102846638495).

1131313023313 is a wasteful number, since it uses less digits than its factorization.

1131313023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102846638494.

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

Adding to 1131313023313 its reverse (3133203131311), we get a palindrome (4264516154624).

The spelling of 1131313023313 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, twenty-three thousand, three hundred thirteen".