344400322031 has 4 divisors (see below), whose sum is σ = 349251030864. Its totient is φ = 339549613200.

The previous prime is 344400322027. The next prime is 344400322037. The reversal of 344400322031 is 130223004443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344400322031 - 2² = 344400322027 is a prime.

It is a super-2 number, since 2×344400322031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344400322037) 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, 2425354310 + ... + 2425354451.

It is an arithmetic number, because the mean of its divisors is an integer number (87312757716).

Almost surely, 2^344400322031 is an apocalyptic number.

344400322031 is a deficient number, since it is larger than the sum of its proper divisors (4850708833).

344400322031 is an equidigital number, since it uses as much as digits as its factorization.

344400322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850708832.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 344400322031 its reverse (130223004443), we get a palindrome (474623326474).

The spelling of 344400322031 in words is "three hundred forty-four billion, four hundred million, three hundred twenty-two thousand, thirty-one".