2312172319 has 4 divisors (see below), whose sum is σ = 2313382896. Its totient is φ = 2310961744.

The previous prime is 2312172311. The next prime is 2312172337. The reversal of 2312172319 is 9132712132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312172319 - 2³ = 2312172311 is a prime.

It is a super-2 number, since 2×2312172319² = 10692281665499675522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312172311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602419 + ... + 606244.

It is an arithmetic number, because the mean of its divisors is an integer number (578345724).

Almost surely, 2^2312172319 is an apocalyptic number.

2312172319 is a deficient number, since it is larger than the sum of its proper divisors (1210577).

2312172319 is a wasteful number, since it uses less digits than its factorization.

2312172319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210576.

The product of its digits is 4536, while the sum is 31.

The square root of 2312172319 is about 48085.0529686721. The cubic root of 2312172319 is about 1322.3306542358.

The spelling of 2312172319 in words is "two billion, three hundred twelve million, one hundred seventy-two thousand, three hundred nineteen".