2031231255 has 16 divisors (see below), whose sum is σ = 3252390624. Its totient is φ = 1082516480.

The previous prime is 2031231221. The next prime is 2031231287. The reversal of 2031231255 is 5521321302.

It is a happy number.

It is not a de Polignac number, because 2031231255 - 2⁷ = 2031231127 is a prime.

It is a super-2 number, since 2×2031231255² = 8251800822577750050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29334 + ... + 70163.

It is an arithmetic number, because the mean of its divisors is an integer number (203274414).

Almost surely, 2^2031231255 is an apocalyptic number.

2031231255 is a deficient number, since it is larger than the sum of its proper divisors (1221159369).

2031231255 is a wasteful number, since it uses less digits than its factorization.

2031231255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100866.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2031231255 is about 45069.1829857165. The cubic root of 2031231255 is about 1266.4453590354.

Adding to 2031231255 its reverse (5521321302), we get a palindrome (7552552557).

The spelling of 2031231255 in words is "two billion, thirty-one million, two hundred thirty-one thousand, two hundred fifty-five".