2551231343 has 2 divisors, whose sum is σ = 2551231344. Its totient is φ = 2551231342.

The previous prime is 2551231339. The next prime is 2551231349. The reversal of 2551231343 is 3431321552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2551231343 - 2² = 2551231339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551231349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275615671 + 1275615672.

It is an arithmetic number, because the mean of its divisors is an integer number (1275615672).

Almost surely, 2^2551231343 is an apocalyptic number.

2551231343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551231343 is an equidigital number, since it uses as much as digits as its factorization.

2551231343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 2551231343 is about 50509.7153327951. The cubic root of 2551231343 is about 1366.4170755852.

Adding to 2551231343 its reverse (3431321552), we get a palindrome (5982552895).

The spelling of 2551231343 in words is "two billion, five hundred fifty-one million, two hundred thirty-one thousand, three hundred forty-three".