2257351431 has 4 divisors (see below), whose sum is σ = 3009801912. Its totient is φ = 1504900952.

The previous prime is 2257351381. The next prime is 2257351441. The reversal of 2257351431 is 1341537522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257351431 - 2⁶ = 2257351367 is a prime.

It is a super-2 number, since 2×2257351431² = 10191270966075495522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2257351392 and 2257351401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257351441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376225236 + ... + 376225241.

It is an arithmetic number, because the mean of its divisors is an integer number (752450478).

Almost surely, 2^2257351431 is an apocalyptic number.

2257351431 is a deficient number, since it is larger than the sum of its proper divisors (752450481).

2257351431 is an equidigital number, since it uses as much as digits as its factorization.

2257351431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752450480.

The product of its digits is 25200, while the sum is 33.

The square root of 2257351431 is about 47511.5925959128. The cubic root of 2257351431 is about 1311.7962715265.

Adding to 2257351431 its reverse (1341537522), we get a palindrome (3598888953).

The spelling of 2257351431 in words is "two billion, two hundred fifty-seven million, three hundred fifty-one thousand, four hundred thirty-one".