42351544031 has 2 divisors, whose sum is σ = 42351544032. Its totient is φ = 42351544030.

The previous prime is 42351544003. The next prime is 42351544051. The reversal of 42351544031 is 13044515324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42351544031 is a prime.

It is a super-2 number, since 2×42351544031² (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 (42351544051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175772015 + 21175772016.

It is an arithmetic number, because the mean of its divisors is an integer number (21175772016).

Almost surely, 2^42351544031 is an apocalyptic number.

42351544031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351544031 is an equidigital number, since it uses as much as digits as its factorization.

42351544031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 42351544031 in words is "forty-two billion, three hundred fifty-one million, five hundred forty-four thousand, thirty-one".