345318321007 has 32 divisors (see below), whose sum is σ = 391333778496. Its totient is φ = 302020992000.

The previous prime is 345318321001. The next prime is 345318321011. The reversal of 345318321007 is 700123813543.

It is a cyclic number.

It is not a de Polignac number, because 345318321007 - 2³ = 345318320999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345318321001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7339257 + ... + 7386157.

It is an arithmetic number, because the mean of its divisors is an integer number (12229180578).

Almost surely, 2^345318321007 is an apocalyptic number.

345318321007 is a deficient number, since it is larger than the sum of its proper divisors (46015457489).

345318321007 is a wasteful number, since it uses less digits than its factorization.

345318321007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47211.

The product of its (nonzero) digits is 60480, while the sum is 37.

It can be divided in two parts, 34531 and 8321007, that added together give a palindrome (8355538).

The spelling of 345318321007 in words is "three hundred forty-five billion, three hundred eighteen million, three hundred twenty-one thousand, seven".