11013312131 has 8 divisors (see below), whose sum is σ = 11179440720. Its totient is φ = 10847235168.

The previous prime is 11013312119. The next prime is 11013312137. The reversal of 11013312131 is 13121331011.

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

It is a cyclic number.

It is not a de Polignac number, because 11013312131 - 2⁶ = 11013312067 is a prime.

It is a super-2 number, since 2×11013312131² (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 (11013312137) 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, 778025 + ... + 792053.

It is an arithmetic number, because the mean of its divisors is an integer number (1397430090).

Almost surely, 2^11013312131 is an apocalyptic number.

11013312131 is a deficient number, since it is larger than the sum of its proper divisors (166128589).

11013312131 is a wasteful number, since it uses less digits than its factorization.

11013312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11013312131 its reverse (13121331011), we get a palindrome (24134643142).

The spelling of 11013312131 in words is "eleven billion, thirteen million, three hundred twelve thousand, one hundred thirty-one".