11313321131 has 8 divisors (see below), whose sum is σ = 12945150720. Its totient is φ = 9685401768.

The previous prime is 11313321091. The next prime is 11313321137. The reversal of 11313321131 is 13112331311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11313321131 - 2³⁰ = 10239579307 is a prime.

It is a super-2 number, since 2×11313321131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971351 + ... + 982928.

It is an arithmetic number, because the mean of its divisors is an integer number (1618143840).

Almost surely, 2^11313321131 is an apocalyptic number.

11313321131 is a deficient number, since it is larger than the sum of its proper divisors (1631829589).

11313321131 is an equidigital number, since it uses as much as digits as its factorization.

11313321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955113.

The product of its digits is 162, while the sum is 20.

Adding to 11313321131 its reverse (13112331311), we get a palindrome (24425652442).

The spelling of 11313321131 in words is "eleven billion, three hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-one".