918641410031 has 2 divisors, whose sum is σ = 918641410032. Its totient is φ = 918641410030.

The previous prime is 918641410021. The next prime is 918641410109. The reversal of 918641410031 is 130014146819.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130014146819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918641410031 - 2³⁸ = 643763503087 is a prime.

It is a super-2 number, since 2×918641410031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918641410021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459320705015 + 459320705016.

It is an arithmetic number, because the mean of its divisors is an integer number (459320705016).

Almost surely, 2^918641410031 is an apocalyptic number.

918641410031 is a deficient number, since it is larger than the sum of its proper divisors (1).

918641410031 is an equidigital number, since it uses as much as digits as its factorization.

918641410031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 918641410031 in words is "nine hundred eighteen billion, six hundred forty-one million, four hundred ten thousand, thirty-one".