2311322152 has 16 divisors (see below), whose sum is σ = 4335265440. Its totient is φ = 1155251376.

The previous prime is 2311322113. The next prime is 2311322177. The reversal of 2311322152 is 2512231132.

It is a super-2 number, since 2×2311322152² = 10684420180651822208, which contains 22 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, 26538 + ... + 72985.

It is an arithmetic number, because the mean of its divisors is an integer number (270954090).

Almost surely, 2^2311322152 is an apocalyptic number.

It is an amenable number.

2311322152 is a deficient number, since it is larger than the sum of its proper divisors (2023943288).

2311322152 is a wasteful number, since it uses less digits than its factorization.

2311322152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102432 (or 102428 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 2311322152 is about 48076.2119140017. The cubic root of 2311322152 is about 1322.1685642839.

Adding to 2311322152 its reverse (2512231132), we get a palindrome (4823553284).

The spelling of 2311322152 in words is "two billion, three hundred eleven million, three hundred twenty-two thousand, one hundred fifty-two".