2331712345 has 8 divisors (see below), whose sum is σ = 2836384776. Its totient is φ = 1839816576.

The previous prime is 2331712309. The next prime is 2331712381. The reversal of 2331712345 is 5432171332.

It is an interprime number because it is at equal distance from previous prime (2331712309) and next prime (2331712381).

It can be written as a sum of positive squares in 4 ways, for example, as 302029641 + 2029682704 = 17379^2 + 45052^2 .

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 2331712345 - 2⁷ = 2331712217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3193762 + ... + 3194491.

It is an arithmetic number, because the mean of its divisors is an integer number (354548097).

Almost surely, 2^2331712345 is an apocalyptic number.

It is an amenable number.

2331712345 is a deficient number, since it is larger than the sum of its proper divisors (504672431).

2331712345 is an equidigital number, since it uses as much as digits as its factorization.

2331712345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388331.

The product of its digits is 15120, while the sum is 31.

The square root of 2331712345 is about 48287.8074155371. The cubic root of 2331712345 is about 1326.0451883695.

Adding to 2331712345 its reverse (5432171332), we get a palindrome (7763883677).

The spelling of 2331712345 in words is "two billion, three hundred thirty-one million, seven hundred twelve thousand, three hundred forty-five".