42530640031 has 16 divisors (see below), whose sum is σ = 46689350400. Its totient is φ = 38421360000.

The previous prime is 42530640017. The next prime is 42530640101. The reversal of 42530640031 is 13004603524.

It is a cyclic number.

It is not a de Polignac number, because 42530640031 - 2⁷ = 42530639903 is a prime.

It is a super-2 number, since 2×42530640031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530640931) 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 in 15 ways as a sum of consecutive naturals, for example, 1194535 + ... + 1229623.

It is an arithmetic number, because the mean of its divisors is an integer number (2918084400).

Almost surely, 2^42530640031 is an apocalyptic number.

42530640031 is a deficient number, since it is larger than the sum of its proper divisors (4158710369).

42530640031 is a wasteful number, since it uses less digits than its factorization.

42530640031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 42530640031 in words is "forty-two billion, five hundred thirty million, six hundred forty thousand, thirty-one".