312309341719 has 4 divisors (see below), whose sum is σ = 312312412296. Its totient is φ = 312306271144.

The previous prime is 312309341711. The next prime is 312309341731. The reversal of 312309341719 is 917143903213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917143903213 = 41 ⋅22369363493.

It is a cyclic number.

It is not a de Polignac number, because 312309341719 - 2³ = 312309341711 is a prime.

It is a super-2 number, since 2×312309341719² (a number of 24 digits) 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 (312309341711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377304 + ... + 1587949.

It is an arithmetic number, because the mean of its divisors is an integer number (78078103074).

Almost surely, 2^312309341719 is an apocalyptic number.

312309341719 is a deficient number, since it is larger than the sum of its proper divisors (3070577).

312309341719 is a wasteful number, since it uses less digits than its factorization.

312309341719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070576.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 312309341719 in words is "three hundred twelve billion, three hundred nine million, three hundred forty-one thousand, seven hundred nineteen".