321152103 has 6 divisors (see below), whose sum is σ = 463886384. Its totient is φ = 214101396.

The previous prime is 321152089. The next prime is 321152131. The reversal of 321152103 is 301251123.

It is not a de Polignac number, because 321152103 - 2⁵ = 321152071 is a prime.

It is a super-2 number, since 2×321152103² = 206277346522645218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321152173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17841775 + ... + 17841792.

Almost surely, 2^321152103 is an apocalyptic number.

321152103 is a deficient number, since it is larger than the sum of its proper divisors (142734281).

321152103 is a wasteful number, since it uses less digits than its factorization.

321152103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35683573 (or 35683570 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 321152103 is about 17920.7171452484. The cubic root of 321152103 is about 684.8102573550.

The spelling of 321152103 in words is "three hundred twenty-one million, one hundred fifty-two thousand, one hundred three".