42310344431 has 2 divisors, whose sum is σ = 42310344432. Its totient is φ = 42310344430.

The previous prime is 42310344421. The next prime is 42310344473. The reversal of 42310344431 is 13444301324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42310344431 - 2³⁰ = 41236602607 is a prime.

It is a super-2 number, since 2×42310344431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42310344394 and 42310344403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42310344421) 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 as a sum of consecutive naturals, namely, 21155172215 + 21155172216.

It is an arithmetic number, because the mean of its divisors is an integer number (21155172216).

Almost surely, 2^42310344431 is an apocalyptic number.

42310344431 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310344431 is an equidigital number, since it uses as much as digits as its factorization.

42310344431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42310344431 its reverse (13444301324), we get a palindrome (55754645755).

The spelling of 42310344431 in words is "forty-two billion, three hundred ten million, three hundred forty-four thousand, four hundred thirty-one".