321430341 has 4 divisors (see below), whose sum is σ = 428573792. Its totient is φ = 214286892.

The previous prime is 321430337. The next prime is 321430357. The reversal of 321430341 is 143034123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 143034123 = 3 ⋅47678041.

It is not a de Polignac number, because 321430341 - 2² = 321430337 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430301) 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, 53571721 + ... + 53571726.

It is an arithmetic number, because the mean of its divisors is an integer number (107143448).

Almost surely, 2^321430341 is an apocalyptic number.

It is an amenable number.

321430341 is a deficient number, since it is larger than the sum of its proper divisors (107143451).

321430341 is a wasteful number, since it uses less digits than its factorization.

321430341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107143450.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 321430341 is about 17928.4784909373. The cubic root of 321430341 is about 685.0079676556.

Adding to 321430341 its reverse (143034123), we get a palindrome (464464464).

The spelling of 321430341 in words is "three hundred twenty-one million, four hundred thirty thousand, three hundred forty-one".