11100342131 has 2 divisors, whose sum is σ = 11100342132. Its totient is φ = 11100342130.

The previous prime is 11100342067. The next prime is 11100342191. The reversal of 11100342131 is 13124300111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11100342131 - 2⁶ = 11100342067 is a prime.

It is a super-2 number, since 2×11100342131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11100342191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550171065 + 5550171066.

It is an arithmetic number, because the mean of its divisors is an integer number (5550171066).

Almost surely, 2^11100342131 is an apocalyptic number.

11100342131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100342131 is an equidigital number, since it uses as much as digits as its factorization.

11100342131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11100342131 its reverse (13124300111), we get a palindrome (24224642242).

The spelling of 11100342131 in words is "eleven billion, one hundred million, three hundred forty-two thousand, one hundred thirty-one".