344143931 has 4 divisors (see below), whose sum is σ = 344269512. Its totient is φ = 344018352.

The previous prime is 344143913. The next prime is 344143951. The reversal of 344143931 is 139341443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139341443 = 1087 ⋅128189.

It is a cyclic number.

It is not a de Polignac number, because 344143931 - 2⁶ = 344143867 is a prime.

It is a super-2 number, since 2×344143931² = 236870090488265522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344143951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58586 + ... + 64191.

It is an arithmetic number, because the mean of its divisors is an integer number (86067378).

Almost surely, 2^344143931 is an apocalyptic number.

344143931 is a deficient number, since it is larger than the sum of its proper divisors (125581).

344143931 is a wasteful number, since it uses less digits than its factorization.

344143931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125580.

The product of its digits is 15552, while the sum is 32.

The square root of 344143931 is about 18551.1167049318. The cubic root of 344143931 is about 700.7773208518. Note that the first 3 decimals are identical.

The spelling of 344143931 in words is "three hundred forty-four million, one hundred forty-three thousand, nine hundred thirty-one".