424303131491 has 2 divisors, whose sum is σ = 424303131492. Its totient is φ = 424303131490.

The previous prime is 424303131487. The next prime is 424303131523. The reversal of 424303131491 is 194131303424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424303131491 - 2² = 424303131487 is a prime.

It is not a weakly prime, because it can be changed into another prime (424303131431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212151565745 + 212151565746.

It is an arithmetic number, because the mean of its divisors is an integer number (212151565746).

Almost surely, 2^424303131491 is an apocalyptic number.

424303131491 is a deficient number, since it is larger than the sum of its proper divisors (1).

424303131491 is an equidigital number, since it uses as much as digits as its factorization.

424303131491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 424303131491 in words is "four hundred twenty-four billion, three hundred three million, one hundred thirty-one thousand, four hundred ninety-one".