344253211331 has 16 divisors (see below), whose sum is σ = 358284334848. Its totient is φ = 330409497600.

The previous prime is 344253211307. The next prime is 344253211343. The reversal of 344253211331 is 133112352443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344253211331 is a prime.

It is a super-2 number, since 2×344253211331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344253211301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604891 + ... + 4679051.

It is an arithmetic number, because the mean of its divisors is an integer number (22392770928).

Almost surely, 2^344253211331 is an apocalyptic number.

344253211331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

344253211331 is a deficient number, since it is larger than the sum of its proper divisors (14031123517).

344253211331 is a wasteful number, since it uses less digits than its factorization.

344253211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75422.

The product of its digits is 25920, while the sum is 32.

Adding to 344253211331 its reverse (133112352443), we get a palindrome (477365563774).

The spelling of 344253211331 in words is "three hundred forty-four billion, two hundred fifty-three million, two hundred eleven thousand, three hundred thirty-one".