111107382431 has 2 divisors, whose sum is σ = 111107382432. Its totient is φ = 111107382430.

The previous prime is 111107382413. The next prime is 111107382499. The reversal of 111107382431 is 134283701111.

Together with previous prime (111107382413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111107382431 - 2¹⁴ = 111107366047 is a prime.

It is a super-2 number, since 2×111107382431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111107381431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553691215 + 55553691216.

It is an arithmetic number, because the mean of its divisors is an integer number (55553691216).

Almost surely, 2^111107382431 is an apocalyptic number.

111107382431 is a deficient number, since it is larger than the sum of its proper divisors (1).

111107382431 is an equidigital number, since it uses as much as digits as its factorization.

111107382431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 111107382431 in words is "one hundred eleven billion, one hundred seven million, three hundred eighty-two thousand, four hundred thirty-one".