40030502231 has 2 divisors, whose sum is σ = 40030502232. Its totient is φ = 40030502230.

The previous prime is 40030502177. The next prime is 40030502287. The reversal of 40030502231 is 13220503004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40030502231 - 2⁶ = 40030502167 is a prime.

It is a super-2 number, since 2×40030502231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40030502731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015251115 + 20015251116.

It is an arithmetic number, because the mean of its divisors is an integer number (20015251116).

Almost surely, 2^40030502231 is an apocalyptic number.

40030502231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40030502231 is an equidigital number, since it uses as much as digits as its factorization.

40030502231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 40030502231 in words is "forty billion, thirty million, five hundred two thousand, two hundred thirty-one".