103020331 has 4 divisors (see below), whose sum is σ = 105533064. Its totient is φ = 100507600.

The previous prime is 103020329. The next prime is 103020343. The reversal of 103020331 is 133020301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103020331 - 2¹ = 103020329 is a prime.

It is a super-2 number, since 2×103020331² = 21226377198699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103620331) 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, 1256305 + ... + 1256386.

It is an arithmetic number, because the mean of its divisors is an integer number (26383266).

Almost surely, 2^103020331 is an apocalyptic number.

103020331 is a deficient number, since it is larger than the sum of its proper divisors (2512733).

103020331 is an equidigital number, since it uses as much as digits as its factorization.

103020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512732.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103020331 is about 10149.8931521470. The cubic root of 103020331 is about 468.7856549827.

Adding to 103020331 its reverse (133020301), we get a palindrome (236040632).

The spelling of 103020331 in words is "one hundred three million, twenty thousand, three hundred thirty-one".