111310301987 has 2 divisors, whose sum is σ = 111310301988. Its totient is φ = 111310301986.

The previous prime is 111310301983. The next prime is 111310302007. The reversal of 111310301987 is 789103013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111310301987 - 2² = 111310301983 is a prime.

It is a super-2 number, since 2×111310301987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111310301983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655150993 + 55655150994.

It is an arithmetic number, because the mean of its divisors is an integer number (55655150994).

Almost surely, 2^111310301987 is an apocalyptic number.

111310301987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310301987 is an equidigital number, since it uses as much as digits as its factorization.

111310301987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 111310301987 in words is "one hundred eleven billion, three hundred ten million, three hundred one thousand, nine hundred eighty-seven".