344750431 has 2 divisors, whose sum is σ = 344750432. Its totient is φ = 344750430.

The previous prime is 344750401. The next prime is 344750447. The reversal of 344750431 is 134057443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344750431 - 2²¹ = 342653279 is a prime.

It is a super-2 number, since 2×344750431² = 237705719349371522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344750393 and 344750402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344750401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172375215 + 172375216.

It is an arithmetic number, because the mean of its divisors is an integer number (172375216).

Almost surely, 2^344750431 is an apocalyptic number.

344750431 is a deficient number, since it is larger than the sum of its proper divisors (1).

344750431 is an equidigital number, since it uses as much as digits as its factorization.

344750431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 344750431 is about 18567.4562339595. The cubic root of 344750431 is about 701.1887494945.

The spelling of 344750431 in words is "three hundred forty-four million, seven hundred fifty thousand, four hundred thirty-one".