344040311031 has 4 divisors (see below), whose sum is σ = 458720414712. Its totient is φ = 229360207352.

The previous prime is 344040311023. The next prime is 344040311057. The reversal of 344040311031 is 130113040443.

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 344040311031 - 2³ = 344040311023 is a prime.

It is a super-2 number, since 2×344040311031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344040310992 and 344040311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344040311071) 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, 57340051836 + ... + 57340051841.

It is an arithmetic number, because the mean of its divisors is an integer number (114680103678).

Almost surely, 2^344040311031 is an apocalyptic number.

344040311031 is a deficient number, since it is larger than the sum of its proper divisors (114680103681).

344040311031 is a wasteful number, since it uses less digits than its factorization.

344040311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114680103680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 344040311031 its reverse (130113040443), we get a palindrome (474153351474).

The spelling of 344040311031 in words is "three hundred forty-four billion, forty million, three hundred eleven thousand, thirty-one".