118273031 has 2 divisors, whose sum is σ = 118273032. Its totient is φ = 118273030.

The previous prime is 118273027. The next prime is 118273073. The reversal of 118273031 is 130372811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118273031 - 2² = 118273027 is a prime.

It is a super-2 number, since 2×118273031² = 27977019723853922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118273021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59136515 + 59136516.

It is an arithmetic number, because the mean of its divisors is an integer number (59136516).

Almost surely, 2^118273031 is an apocalyptic number.

118273031 is a deficient number, since it is larger than the sum of its proper divisors (1).

118273031 is an equidigital number, since it uses as much as digits as its factorization.

118273031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 118273031 is about 10875.3405004165. The cubic root of 118273031 is about 490.8648214860.

The spelling of 118273031 in words is "one hundred eighteen million, two hundred seventy-three thousand, thirty-one".