116864321731 has 2 divisors, whose sum is σ = 116864321732. Its totient is φ = 116864321730.

The previous prime is 116864321723. The next prime is 116864321767. The reversal of 116864321731 is 137123468611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116864321731 - 2³ = 116864321723 is a prime.

It is a super-2 number, since 2×116864321731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116864321711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58432160865 + 58432160866.

It is an arithmetic number, because the mean of its divisors is an integer number (58432160866).

Almost surely, 2^116864321731 is an apocalyptic number.

116864321731 is a deficient number, since it is larger than the sum of its proper divisors (1).

116864321731 is an equidigital number, since it uses as much as digits as its factorization.

116864321731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The spelling of 116864321731 in words is "one hundred sixteen billion, eight hundred sixty-four million, three hundred twenty-one thousand, seven hundred thirty-one".