11113013131 has 8 divisors (see below), whose sum is σ = 12139226928. Its totient is φ = 10089456000.

The previous prime is 11113013099. The next prime is 11113013209. The reversal of 11113013131 is 13131031111.

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 11113013131 - 2⁵ = 11113013099 is a prime.

It is a super-2 number, since 2×11113013131² (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 (11113013731) 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, 655410 + ... + 672151.

It is an arithmetic number, because the mean of its divisors is an integer number (1517403366).

Almost surely, 2^11113013131 is an apocalyptic number.

11113013131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11113013131 is a deficient number, since it is larger than the sum of its proper divisors (1026213797).

11113013131 is a wasteful number, since it uses less digits than its factorization.

11113013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328333.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11113013131 its reverse (13131031111), we get a palindrome (24244044242).

The spelling of 11113013131 in words is "eleven billion, one hundred thirteen million, thirteen thousand, one hundred thirty-one".