116351531 has 2 divisors, whose sum is σ = 116351532. Its totient is φ = 116351530.

The previous prime is 116351513. The next prime is 116351537. The reversal of 116351531 is 135153611.

Together with previous prime (116351513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116351531 - 2¹⁴ = 116335147 is a prime.

It is a super-2 number, since 2×116351531² = 27075357532087922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116351531.

It is not a weakly prime, because it can be changed into another prime (116351537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58175765 + 58175766.

It is an arithmetic number, because the mean of its divisors is an integer number (58175766).

Almost surely, 2^116351531 is an apocalyptic number.

116351531 is a deficient number, since it is larger than the sum of its proper divisors (1).

116351531 is an equidigital number, since it uses as much as digits as its factorization.

116351531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 116351531 is about 10786.6366861965. The cubic root of 116351531 is about 488.1920476647.

The spelling of 116351531 in words is "one hundred sixteen million, three hundred fifty-one thousand, five hundred thirty-one".