1100000013131 has 4 divisors (see below), whose sum is σ = 1100085769200. Its totient is φ = 1099914257064.

The previous prime is 1100000013109. The next prime is 1100000013179. The reversal of 1100000013131 is 1313100000011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100000013131 - 2²² = 1099995818827 is a prime.

It is a super-2 number, since 2×1100000013131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100000013191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42858791 + ... + 42884448.

It is an arithmetic number, because the mean of its divisors is an integer number (275021442300).

Almost surely, 2^{1100000013131} is an apocalyptic number.

1100000013131 is a deficient number, since it is larger than the sum of its proper divisors (85756069).

1100000013131 is an equidigital number, since it uses as much as digits as its factorization.

1100000013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85756068.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 1100000013131 its reverse (1313100000011), we get a palindrome (2413100013142).

The spelling of 1100000013131 in words is "one trillion, one hundred billion, thirteen thousand, one hundred thirty-one".