2031321255 has 16 divisors (see below), whose sum is σ = 3421173120. Its totient is φ = 1026351648.

The previous prime is 2031321139. The next prime is 2031321311. The reversal of 2031321255 is 5521231302.

It is a happy number.

It is not a de Polignac number, because 2031321255 - 2¹¹ = 2031319207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3563437 + ... + 3564006.

It is an arithmetic number, because the mean of its divisors is an integer number (213823320).

Almost surely, 2^2031321255 is an apocalyptic number.

2031321255 is a deficient number, since it is larger than the sum of its proper divisors (1389851865).

2031321255 is a wasteful number, since it uses less digits than its factorization.

2031321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127470.

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

The square root of 2031321255 is about 45070.1814396170. The cubic root of 2031321255 is about 1266.4640633556.

Adding to 2031321255 its reverse (5521231302), we get a palindrome (7552552557).

The spelling of 2031321255 in words is "two billion, thirty-one million, three hundred twenty-one thousand, two hundred fifty-five".