344940031 has 2 divisors, whose sum is σ = 344940032. Its totient is φ = 344940030.

The previous prime is 344939999. The next prime is 344940049. The reversal of 344940031 is 130049443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344940031 - 2⁵ = 344939999 is a prime.

It is a super-2 number, since 2×344940031² = 237967249972561922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344940061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172470015 + 172470016.

It is an arithmetic number, because the mean of its divisors is an integer number (172470016).

Almost surely, 2^344940031 is an apocalyptic number.

344940031 is a deficient number, since it is larger than the sum of its proper divisors (1).

344940031 is an equidigital number, since it uses as much as digits as its factorization.

344940031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 344940031 is about 18572.5612396352. The cubic root of 344940031 is about 701.3172685725.

Adding to 344940031 its reverse (130049443), we get a palindrome (474989474).

The spelling of 344940031 in words is "three hundred forty-four million, nine hundred forty thousand, thirty-one".