2231023240 has 16 divisors (see below), whose sum is σ = 5019802380. Its totient is φ = 892409280.

The previous prime is 2231023199. The next prime is 2231023259. The reversal of 2231023240 is 423201322.

It can be written as a sum of positive squares in 2 ways, for example, as 2119129156 + 111894084 = 46034^2 + 10578^2 .

It is a super-3 number, since 3×2231023240³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27887751 + ... + 27887830.

Almost surely, 2^2231023240 is an apocalyptic number.

2231023240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231023240 is an abundant number, since it is smaller than the sum of its proper divisors (2788779140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231023240 is a wasteful number, since it uses less digits than its factorization.

2231023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55775592 (or 55775588 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2231023240 is about 47233.7087258665. The cubic root of 2231023240 is about 1306.6763520847.

Adding to 2231023240 its reverse (423201322), we get a palindrome (2654224562).

The spelling of 2231023240 in words is "two billion, two hundred thirty-one million, twenty-three thousand, two hundred forty".