344601431 has 2 divisors, whose sum is σ = 344601432. Its totient is φ = 344601430.

The previous prime is 344601401. The next prime is 344601449. The reversal of 344601431 is 134106443.

It is a strong prime.

It is an emirp because it is prime and its reverse (134106443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344601431 is a prime.

It is a super-2 number, since 2×344601431² = 237500292494495522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344601431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344601401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172300715 + 172300716.

It is an arithmetic number, because the mean of its divisors is an integer number (172300716).

Almost surely, 2^344601431 is an apocalyptic number.

344601431 is a deficient number, since it is larger than the sum of its proper divisors (1).

344601431 is an equidigital number, since it uses as much as digits as its factorization.

344601431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 344601431 is about 18563.4434036361. The cubic root of 344601431 is about 701.0877177824.

Adding to 344601431 its reverse (134106443), we get a palindrome (478707874).

The spelling of 344601431 in words is "three hundred forty-four million, six hundred one thousand, four hundred thirty-one".