42326705431 has 2 divisors, whose sum is σ = 42326705432. Its totient is φ = 42326705430.

The previous prime is 42326705419. The next prime is 42326705461. The reversal of 42326705431 is 13450762324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42326705431 - 2⁷ = 42326705303 is a prime.

It is a super-2 number, since 2×42326705431² (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 (42326705461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21163352715 + 21163352716.

It is an arithmetic number, because the mean of its divisors is an integer number (21163352716).

Almost surely, 2^42326705431 is an apocalyptic number.

42326705431 is a deficient number, since it is larger than the sum of its proper divisors (1).

42326705431 is an equidigital number, since it uses as much as digits as its factorization.

42326705431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 42326705431 in words is "forty-two billion, three hundred twenty-six million, seven hundred five thousand, four hundred thirty-one".