345510033321 has 4 divisors (see below), whose sum is σ = 460680044432. Its totient is φ = 230340022212.

The previous prime is 345510033311. The next prime is 345510033331. The reversal of 345510033321 is 123330015543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (345510033311) and next prime (345510033331).

It is a de Polignac number, because none of the positive numbers 2^k-345510033321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345510033301) 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, 57585005551 + ... + 57585005556.

It is an arithmetic number, because the mean of its divisors is an integer number (115170011108).

Almost surely, 2^345510033321 is an apocalyptic number.

It is an amenable number.

345510033321 is a deficient number, since it is larger than the sum of its proper divisors (115170011111).

345510033321 is a wasteful number, since it uses less digits than its factorization.

345510033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115170011110.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 345510033321 its reverse (123330015543), we get a palindrome (468840048864).

The spelling of 345510033321 in words is "three hundred forty-five billion, five hundred ten million, thirty-three thousand, three hundred twenty-one".