344422031 has 4 divisors (see below), whose sum is σ = 344568000. Its totient is φ = 344276064.

The previous prime is 344422021. The next prime is 344422049. The reversal of 344422031 is 130224443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130224443 = 271 ⋅480533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344422031 is a prime.

It is a super-2 number, since 2×344422031² = 237253070876329922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344421988 and 344422006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344422021) 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, 69386 + ... + 74183.

It is an arithmetic number, because the mean of its divisors is an integer number (86142000).

Almost surely, 2^344422031 is an apocalyptic number.

344422031 is a deficient number, since it is larger than the sum of its proper divisors (145969).

344422031 is a wasteful number, since it uses less digits than its factorization.

344422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145968.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344422031 is about 18558.6106969245. The cubic root of 344422031 is about 700.9660342394.

Adding to 344422031 its reverse (130224443), we get a palindrome (474646474).

The spelling of 344422031 in words is "three hundred forty-four million, four hundred twenty-two thousand, thirty-one".