331213103 has 8 divisors (see below), whose sum is σ = 362539296. Its totient is φ = 300722400.

The previous prime is 331213097. The next prime is 331213117. The reversal of 331213103 is 301312133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208043 + ... + 209628.

It is an arithmetic number, because the mean of its divisors is an integer number (45317412).

Almost surely, 2^331213103 is an apocalyptic number.

331213103 is a deficient number, since it is larger than the sum of its proper divisors (31326193).

331213103 is a wasteful number, since it uses less digits than its factorization.

331213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417745.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 331213103 is about 18199.2610564275. The cubic root of 331213103 is about 691.8880607635. Note that the first 3 decimals are identical.

Adding to 331213103 its reverse (301312133), we get a palindrome (632525236).

The spelling of 331213103 in words is "three hundred thirty-one million, two hundred thirteen thousand, one hundred three".