118789318331 has 2 divisors, whose sum is σ = 118789318332. Its totient is φ = 118789318330.

The previous prime is 118789318313. The next prime is 118789318369. The reversal of 118789318331 is 133813987811.

Together with previous prime (118789318313) 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 118789318331 - 2⁶ = 118789318267 is a prime.

It is a super-2 number, since 2×118789318331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118789317331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59394659165 + 59394659166.

It is an arithmetic number, because the mean of its divisors is an integer number (59394659166).

Almost surely, 2^118789318331 is an apocalyptic number.

118789318331 is a deficient number, since it is larger than the sum of its proper divisors (1).

118789318331 is an equidigital number, since it uses as much as digits as its factorization.

118789318331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The spelling of 118789318331 in words is "one hundred eighteen billion, seven hundred eighty-nine million, three hundred eighteen thousand, three hundred thirty-one".