2231131323 has 16 divisors (see below), whose sum is σ = 3150796320. Its totient is φ = 1399497216.

The previous prime is 2231131321. The next prime is 2231131337. The reversal of 2231131323 is 3231311322.

It is not a de Polignac number, because 2231131323 - 2¹ = 2231131321 is a prime.

It is a super-3 number, since 3×2231131323³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231131323.

It is not an unprimeable number, because it can be changed into a prime (2231131321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285261 + ... + 292977.

It is an arithmetic number, because the mean of its divisors is an integer number (196924770).

Almost surely, 2^2231131323 is an apocalyptic number.

2231131323 is a deficient number, since it is larger than the sum of its proper divisors (919664997).

2231131323 is a wasteful number, since it uses less digits than its factorization.

2231131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406.

The product of its digits is 648, while the sum is 21.

The square root of 2231131323 is about 47234.8528419429. The cubic root of 2231131323 is about 1306.6974525999.

Adding to 2231131323 its reverse (3231311322), we get a palindrome (5462442645).

The spelling of 2231131323 in words is "two billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".