40333530631 has 2 divisors, whose sum is σ = 40333530632. Its totient is φ = 40333530630.

The previous prime is 40333530493. The next prime is 40333530701. The reversal of 40333530631 is 13603533304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40333530631 is a prime.

It is a super-2 number, since 2×40333530631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40333530593 and 40333530602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40333530031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20166765315 + 20166765316.

It is an arithmetic number, because the mean of its divisors is an integer number (20166765316).

Almost surely, 2^40333530631 is an apocalyptic number.

40333530631 is a deficient number, since it is larger than the sum of its proper divisors (1).

40333530631 is an equidigital number, since it uses as much as digits as its factorization.

40333530631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 31.

The spelling of 40333530631 in words is "forty billion, three hundred thirty-three million, five hundred thirty thousand, six hundred thirty-one".