103243331 has 4 divisors (see below), whose sum is σ = 103784064. Its totient is φ = 102702600.

The previous prime is 103243313. The next prime is 103243369. The reversal of 103243331 is 133342301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133342301 = 59 ⋅2260039.

It is a cyclic number.

It is not a de Polignac number, because 103243331 - 2¹⁴ = 103226947 is a prime.

It is a super-2 number, since 2×103243331² = 21318370791951122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103246331) 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, 270080 + ... + 270461.

It is an arithmetic number, because the mean of its divisors is an integer number (25946016).

Almost surely, 2^103243331 is an apocalyptic number.

103243331 is a deficient number, since it is larger than the sum of its proper divisors (540733).

103243331 is an equidigital number, since it uses as much as digits as its factorization.

103243331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540732.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 103243331 is about 10160.8725511149. The cubic root of 103243331 is about 469.1236590167.

Adding to 103243331 its reverse (133342301), we get a palindrome (236585632).

The spelling of 103243331 in words is "one hundred three million, two hundred forty-three thousand, three hundred thirty-one".