111131323319 has 2 divisors, whose sum is σ = 111131323320. Its totient is φ = 111131323318.

The previous prime is 111131323291. The next prime is 111131323333. The reversal of 111131323319 is 913323131111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111131323319 is a prime.

It is a super-2 number, since 2×111131323319² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111131323291 and 111131323300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111131023319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565661659 + 55565661660.

It is an arithmetic number, because the mean of its divisors is an integer number (55565661660).

Almost surely, 2^111131323319 is an apocalyptic number.

111131323319 is a deficient number, since it is larger than the sum of its proper divisors (1).

111131323319 is an equidigital number, since it uses as much as digits as its factorization.

111131323319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The spelling of 111131323319 in words is "one hundred eleven billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred nineteen".