2231312330 has 16 divisors (see below), whose sum is σ = 4325313384. Its totient is φ = 823869120.

The previous prime is 2231312311. The next prime is 2231312383. The reversal of 2231312330 is 332131322.

It can be written as a sum of positive squares in 4 ways, for example, as 549574249 + 1681738081 = 23443^2 + 41009^2 .

It is a super-3 number, since 3×2231312330³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8581841 + ... + 8582100.

Almost surely, 2^2231312330 is an apocalyptic number.

2231312330 is a deficient number, since it is larger than the sum of its proper divisors (2094001054).

2231312330 is a wasteful number, since it uses less digits than its factorization.

2231312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17163961.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2231312330 is about 47236.7688353046. The cubic root of 2231312330 is about 1306.7327881847.

Adding to 2231312330 its reverse (332131322), we get a palindrome (2563443652).

It can be divided in two parts, 22313 and 12330, that added together give a palindrome (34643).

The spelling of 2231312330 in words is "two billion, two hundred thirty-one million, three hundred twelve thousand, three hundred thirty".