1131222320313 has 16 divisors (see below), whose sum is σ = 1524710294016. Its totient is φ = 745984362240.

The previous prime is 1131222320299. The next prime is 1131222320317. The reversal of 1131222320313 is 3130232221311.

It is not a de Polignac number, because 1131222320313 - 2¹⁴ = 1131222303929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131222320317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280048 + ... + 5490113.

It is an arithmetic number, because the mean of its divisors is an integer number (95294393376).

Almost surely, 2^{1131222320313} is an apocalyptic number.

It is an amenable number.

1131222320313 is a deficient number, since it is larger than the sum of its proper divisors (393487973703).

1131222320313 is a wasteful number, since it uses less digits than its factorization.

1131222320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770544.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1131222320313 its reverse (3130232221311), we get a palindrome (4261454541624).

The spelling of 1131222320313 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, three hundred thirteen".