671424531431 has 2 divisors, whose sum is σ = 671424531432. Its totient is φ = 671424531430.

The previous prime is 671424531419. The next prime is 671424531461. The reversal of 671424531431 is 134135424176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671424531431 - 2¹⁸ = 671424269287 is a prime.

It is a super-2 number, since 2×671424531431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671424531461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335712265715 + 335712265716.

It is an arithmetic number, because the mean of its divisors is an integer number (335712265716).

Almost surely, 2^671424531431 is an apocalyptic number.

671424531431 is a deficient number, since it is larger than the sum of its proper divisors (1).

671424531431 is an equidigital number, since it uses as much as digits as its factorization.

671424531431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The spelling of 671424531431 in words is "six hundred seventy-one billion, four hundred twenty-four million, five hundred thirty-one thousand, four hundred thirty-one".