103331143 has 4 divisors (see below), whose sum is σ = 103459680. Its totient is φ = 103202608.

The previous prime is 103331119. The next prime is 103331149. The reversal of 103331143 is 341133301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341133301 = 131 ⋅2604071.

It is a cyclic number.

It is not a de Polignac number, because 103331143 - 2¹³ = 103322951 is a prime.

It is a super-2 number, since 2×103331143² = 21354650227372898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103331143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103331149) 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 3 ways as a sum of consecutive naturals, for example, 63055 + ... + 64672.

It is an arithmetic number, because the mean of its divisors is an integer number (25864920).

Almost surely, 2^103331143 is an apocalyptic number.

103331143 is a deficient number, since it is larger than the sum of its proper divisors (128537).

103331143 is an equidigital number, since it uses as much as digits as its factorization.

103331143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128536.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 103331143 is about 10165.1927182912. The cubic root of 103331143 is about 469.2566232566.

Adding to 103331143 its reverse (341133301), we get a palindrome (444464444).

It can be divided in two parts, 10333 and 1143, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 103331143 in words is "one hundred three million, three hundred thirty-one thousand, one hundred forty-three".