1131333311113 has 12 divisors (see below), whose sum is σ = 1211505739668. Its totient is φ = 1055751107840.

The previous prime is 1131333311107. The next prime is 1131333311137. The reversal of 1131333311113 is 3111133331311.

It can be written as a sum of positive squares in 2 ways, for example, as 364680716544 + 766652594569 = 603888^2 + 875587^2 .

It is not a de Polignac number, because 1131333311113 - 2²⁹ = 1130796440201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131333317113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26059120 + ... + 26102497.

It is an arithmetic number, because the mean of its divisors is an integer number (100958811639).

Almost surely, 2^{1131333311113} is an apocalyptic number.

It is an amenable number.

1131333311113 is a deficient number, since it is larger than the sum of its proper divisors (80172428555).

1131333311113 is an equidigital number, since it uses as much as digits as its factorization.

1131333311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52161704 (or 52161681 counting only the distinct ones).

The product of its digits is 729, while the sum is 25.

Adding to 1131333311113 its reverse (3111133331311), we get a palindrome (4242466642424).

The spelling of 1131333311113 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-three million, three hundred eleven thousand, one hundred thirteen".