2338631431257 has 16 divisors (see below), whose sum is σ = 3580679704320. Its totient is φ = 1342754888400.

The previous prime is 2338631431247. The next prime is 2338631431261. The reversal of 2338631431257 is 7521341368332.

It is a happy number.

It is not a de Polignac number, because 2338631431257 - 2⁸ = 2338631431001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2338631431247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864936719 + ... + 1864937972.

It is an arithmetic number, because the mean of its divisors is an integer number (223792481520).

Almost surely, 2^{2338631431257} is an apocalyptic number.

It is an amenable number.

2338631431257 is a deficient number, since it is larger than the sum of its proper divisors (1242048273063).

2338631431257 is a wasteful number, since it uses less digits than its factorization.

2338631431257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729874724.

The product of its digits is 2177280, while the sum is 48.

Adding to 2338631431257 its reverse (7521341368332), we get a palindrome (9859972799589).

The spelling of 2338631431257 in words is "two trillion, three hundred thirty-eight billion, six hundred thirty-one million, four hundred thirty-one thousand, two hundred fifty-seven".