331012103 has 4 divisors (see below), whose sum is σ = 331059288. Its totient is φ = 330964920.

The previous prime is 331012043. The next prime is 331012163. The reversal of 331012103 is 301210133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301210133 = 7 ⋅43030019.

It is an interprime number because it is at equal distance from previous prime (331012043) and next prime (331012163).

It is a cyclic number.

It is not a de Polignac number, because 331012103 - 2²⁰ = 329963527 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 (331012163) 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, 10733 + ... + 27878.

It is an arithmetic number, because the mean of its divisors is an integer number (82764822).

Almost surely, 2^331012103 is an apocalyptic number.

331012103 is a deficient number, since it is larger than the sum of its proper divisors (47185).

331012103 is an equidigital number, since it uses as much as digits as its factorization.

331012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47184.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 331012103 is about 18193.7380161417. The cubic root of 331012103 is about 691.7480727010.

Adding to 331012103 its reverse (301210133), we get a palindrome (632222236).

The spelling of 331012103 in words is "three hundred thirty-one million, twelve thousand, one hundred three".