2351231455 has 4 divisors (see below), whose sum is σ = 2821477752. Its totient is φ = 1880985160.

The previous prime is 2351231423. The next prime is 2351231471. The reversal of 2351231455 is 5541321532.

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

It is not a de Polignac number, because 2351231455 - 2⁵ = 2351231423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235123141 + ... + 235123150.

It is an arithmetic number, because the mean of its divisors is an integer number (705369438).

Almost surely, 2^2351231455 is an apocalyptic number.

2351231455 is a deficient number, since it is larger than the sum of its proper divisors (470246297).

2351231455 is an equidigital number, since it uses as much as digits as its factorization.

2351231455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470246296.

The product of its digits is 18000, while the sum is 31.

The square root of 2351231455 is about 48489.4983991379. The cubic root of 2351231455 is about 1329.7350848927.

Adding to 2351231455 its reverse (5541321532), we get a palindrome (7892552987).

The spelling of 2351231455 in words is "two billion, three hundred fifty-one million, two hundred thirty-one thousand, four hundred fifty-five".