321272103 has 8 divisors (see below), whose sum is σ = 453560688. Its totient is φ = 201582464.

The previous prime is 321272099. The next prime is 321272117. The reversal of 321272103 is 301272123.

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

It is not a de Polignac number, because 321272103 - 2² = 321272099 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 321272103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321272143) 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, 3149676 + ... + 3149777.

It is an arithmetic number, because the mean of its divisors is an integer number (56695086).

Almost surely, 2^321272103 is an apocalyptic number.

321272103 is a deficient number, since it is larger than the sum of its proper divisors (132288585).

321272103 is a wasteful number, since it uses less digits than its factorization.

321272103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299473.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 321272103 is about 17924.0649128483. The cubic root of 321272103 is about 684.8955409293.

The spelling of 321272103 in words is "three hundred twenty-one million, two hundred seventy-two thousand, one hundred three".