345530312330403 has 16 divisors (see below), whose sum is σ = 461073139739136. Its totient is φ = 230170578285600.

The previous prime is 345530312330369. The next prime is 345530312330417. The reversal of 345530312330403 is 304033213035543.

It is not a de Polignac number, because 345530312330403 - 2⁶ = 345530312330339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345530312331403) 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, 13126900 + ... + 29383262.

It is an arithmetic number, because the mean of its divisors is an integer number (28817071233696).

Almost surely, 2^{345530312330403} is an apocalyptic number.

345530312330403 is a deficient number, since it is larger than the sum of its proper divisors (115542827408733).

345530312330403 is a wasteful number, since it uses less digits than its factorization.

345530312330403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261994.

The product of its (nonzero) digits is 583200, while the sum is 39.

Adding to 345530312330403 its reverse (304033213035543), we get a palindrome (649563525365946).

The spelling of 345530312330403 in words is "three hundred forty-five trillion, five hundred thirty billion, three hundred twelve million, three hundred thirty thousand, four hundred three".