11183213831 has 2 divisors, whose sum is σ = 11183213832. Its totient is φ = 11183213830.

The previous prime is 11183213807. The next prime is 11183213849. The reversal of 11183213831 is 13831238111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11183213831 is a prime.

It is a super-2 number, since 2×11183213831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11183213861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591606915 + 5591606916.

It is an arithmetic number, because the mean of its divisors is an integer number (5591606916).

Almost surely, 2^11183213831 is an apocalyptic number.

11183213831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11183213831 is an equidigital number, since it uses as much as digits as its factorization.

11183213831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The spelling of 11183213831 in words is "eleven billion, one hundred eighty-three million, two hundred thirteen thousand, eight hundred thirty-one".