2122312331 has 8 divisors (see below), whose sum is σ = 2236979280. Its totient is φ = 2007942048.

The previous prime is 2122312303. The next prime is 2122312349. The reversal of 2122312331 is 1332132212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122312331 - 2¹⁰ = 2122311307 is a prime.

It is a super-2 number, since 2×2122312331² = 9008419260629307122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122312831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59396 + ... + 88161.

It is an arithmetic number, because the mean of its divisors is an integer number (279622410).

Almost surely, 2^2122312331 is an apocalyptic number.

2122312331 is a deficient number, since it is larger than the sum of its proper divisors (114666949).

2122312331 is a wasteful number, since it uses less digits than its factorization.

2122312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148333.

The product of its digits is 432, while the sum is 20.

The square root of 2122312331 is about 46068.5611995860. The cubic root of 2122312331 is about 1285.0985467479.

Adding to 2122312331 its reverse (1332132212), we get a palindrome (3454444543).

The spelling of 2122312331 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, three hundred thirty-one".