345104210321 has 8 divisors (see below), whose sum is σ = 371728848960. Its totient is φ = 318490737552.

The previous prime is 345104210279. The next prime is 345104210327. The reversal of 345104210321 is 123012401543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345104210321 - 2²² = 345100016017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345104210327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727215 + ... + 2850948.

It is an arithmetic number, because the mean of its divisors is an integer number (46466106120).

Almost surely, 2^345104210321 is an apocalyptic number.

It is an amenable number.

345104210321 is a deficient number, since it is larger than the sum of its proper divisors (26624638639).

345104210321 is a wasteful number, since it uses less digits than its factorization.

345104210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582935.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 345104210321 its reverse (123012401543), we get a palindrome (468116611864).

The spelling of 345104210321 in words is "three hundred forty-five billion, one hundred four million, two hundred ten thousand, three hundred twenty-one".