42904235231 has 32 divisors (see below), whose sum is σ = 53603726400. Its totient is φ = 33737287680.

The previous prime is 42904235207. The next prime is 42904235239. The reversal of 42904235231 is 13253240924.

It is a cyclic number.

It is not a de Polignac number, because 42904235231 - 2³⁰ = 41830493407 is a prime.

It is a super-2 number, since 2×42904235231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42904235191 and 42904235200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42904235239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518165 + ... + 595233.

It is an arithmetic number, because the mean of its divisors is an integer number (1675116450).

Almost surely, 2^42904235231 is an apocalyptic number.

42904235231 is a deficient number, since it is larger than the sum of its proper divisors (10699491169).

42904235231 is a wasteful number, since it uses less digits than its factorization.

42904235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77339.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 42904235231 in words is "forty-two billion, nine hundred four million, two hundred thirty-five thousand, two hundred thirty-one".