344402343031 has 4 divisors (see below), whose sum is σ = 355512096064. Its totient is φ = 333292590000.

The previous prime is 344402343013. The next prime is 344402343041. The reversal of 344402343031 is 130343204443.

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 344402343031 - 2⁷ = 344402342903 is a prime.

It is a super-2 number, since 2×344402343031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 11109753001 = 344402343031 / (3 + 4 + 4 + 4 + 0 + 2 + 3 + 4 + 3 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344402342984 and 344402343002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344402343011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5554876470 + ... + 5554876531.

It is an arithmetic number, because the mean of its divisors is an integer number (88878024016).

Almost surely, 2^344402343031 is an apocalyptic number.

344402343031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

344402343031 is a deficient number, since it is larger than the sum of its proper divisors (11109753033).

344402343031 is a wasteful number, since it uses less digits than its factorization.

344402343031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109753032.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 344402343031 its reverse (130343204443), we get a palindrome (474745547474).

The spelling of 344402343031 in words is "three hundred forty-four billion, four hundred two million, three hundred forty-three thousand, thirty-one".