111253273231 has 2 divisors, whose sum is σ = 111253273232. Its totient is φ = 111253273230.

The previous prime is 111253273181. The next prime is 111253273253. The reversal of 111253273231 is 132372352111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111253273231 is a prime.

It is a super-2 number, since 2×111253273231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111253273193 and 111253273202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111253273031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55626636615 + 55626636616.

It is an arithmetic number, because the mean of its divisors is an integer number (55626636616).

Almost surely, 2^111253273231 is an apocalyptic number.

111253273231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111253273231 is an equidigital number, since it uses as much as digits as its factorization.

111253273231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The spelling of 111253273231 in words is "one hundred eleven billion, two hundred fifty-three million, two hundred seventy-three thousand, two hundred thirty-one".