307713405431 has 4 divisors (see below), whose sum is σ = 308516835072. Its totient is φ = 306909975792.

The previous prime is 307713405413. The next prime is 307713405437. The reversal of 307713405431 is 134504317703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134504317703 = 7 ⋅19214902529.

It is a cyclic number.

It is not a de Polignac number, because 307713405431 - 2²⁶ = 307646296567 is a prime.

It is a super-2 number, since 2×307713405431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307713405437) 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 in 3 ways as a sum of consecutive naturals, for example, 401714246 + ... + 401715011.

It is an arithmetic number, because the mean of its divisors is an integer number (77129208768).

Almost surely, 2^307713405431 is an apocalyptic number.

307713405431 is a deficient number, since it is larger than the sum of its proper divisors (803429641).

307713405431 is an equidigital number, since it uses as much as digits as its factorization.

307713405431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803429640.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 307713405431 in words is "three hundred seven billion, seven hundred thirteen million, four hundred five thousand, four hundred thirty-one".