40998031 has 2 divisors, whose sum is σ = 40998032. Its totient is φ = 40998030.

The previous prime is 40998007. The next prime is 40998043. The reversal of 40998031 is 13089904.

40998031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40998031 - 2⁹ = 40997519 is a prime.

It is a super-2 number, since 2×40998031² = 3361677091753922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40998091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20499015 + 20499016.

It is an arithmetic number, because the mean of its divisors is an integer number (20499016).

Almost surely, 2^40998031 is an apocalyptic number.

40998031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40998031 is an equidigital number, since it uses as much as digits as its factorization.

40998031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 40998031 is about 6402.9704825183. The cubic root of 40998031 is about 344.8162039989.

The spelling of 40998031 in words is "forty million, nine hundred ninety-eight thousand, thirty-one".