344131003399 has 4 divisors (see below), whose sum is σ = 349772495320. Its totient is φ = 338489511480.

The previous prime is 344131003393. The next prime is 344131003423. The reversal of 344131003399 is 993300131443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993300131443 = 601 ⋅1652745643.

It is a cyclic number.

It is not a de Polignac number, because 344131003399 - 2²⁹ = 343594132487 is a prime.

It is a super-2 number, since 2×344131003399² (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 (344131003393) 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, 2820745869 + ... + 2820745990.

It is an arithmetic number, because the mean of its divisors is an integer number (87443123830).

Almost surely, 2^344131003399 is an apocalyptic number.

344131003399 is a deficient number, since it is larger than the sum of its proper divisors (5641491921).

344131003399 is an equidigital number, since it uses as much as digits as its factorization.

344131003399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641491920.

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 344131003399 in words is "three hundred forty-four billion, one hundred thirty-one million, three thousand, three hundred ninety-nine".