3131144255 has 4 divisors (see below), whose sum is σ = 3757373112. Its totient is φ = 2504915400.

The previous prime is 3131144227. The next prime is 3131144257. The reversal of 3131144255 is 5524411313.

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

It is not a de Polignac number, because 3131144255 - 2⁸ = 3131143999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131144257) 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, 313114421 + ... + 313114430.

It is an arithmetic number, because the mean of its divisors is an integer number (939343278).

Almost surely, 2^3131144255 is an apocalyptic number.

3131144255 is a deficient number, since it is larger than the sum of its proper divisors (626228857).

3131144255 is an equidigital number, since it uses as much as digits as its factorization.

3131144255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626228856.

The product of its digits is 7200, while the sum is 29.

The square root of 3131144255 is about 55956.6283383836. The cubic root of 3131144255 is about 1462.9664237104.

Adding to 3131144255 its reverse (5524411313), we get a palindrome (8655555568).

The spelling of 3131144255 in words is "three billion, one hundred thirty-one million, one hundred forty-four thousand, two hundred fifty-five".