2131327245 has 16 divisors (see below), whose sum is σ = 3411048960. Its totient is φ = 1136399424.

The previous prime is 2131327229. The next prime is 2131327301. The reversal of 2131327245 is 5427231312.

2131327245 = 10873² + 10874² + ... + 10890².

It is not a de Polignac number, because 2131327245 - 2⁴ = 2131327229 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 44691 + ... + 79119.

It is an arithmetic number, because the mean of its divisors is an integer number (213190560).

Almost surely, 2^2131327245 is an apocalyptic number.

It is an amenable number.

2131327245 is a deficient number, since it is larger than the sum of its proper divisors (1279721715).

2131327245 is a wasteful number, since it uses less digits than its factorization.

2131327245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38564.

The product of its digits is 10080, while the sum is 30.

The square root of 2131327245 is about 46166.2998842229. The cubic root of 2131327245 is about 1286.9155410537.

Adding to 2131327245 its reverse (5427231312), we get a palindrome (7558558557).

The spelling of 2131327245 in words is "two billion, one hundred thirty-one million, three hundred twenty-seven thousand, two hundred forty-five".