103032091 has 4 divisors (see below), whose sum is σ = 103424112. Its totient is φ = 102640072.

The previous prime is 103032077. The next prime is 103032101. The reversal of 103032091 is 190230301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190230301 = 1753 ⋅108517.

It is a cyclic number.

It is not a de Polignac number, because 103032091 - 2¹¹ = 103030043 is a prime.

It is a super-2 number, since 2×103032091² = 21231223551664562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103032031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195616 + ... + 196141.

It is an arithmetic number, because the mean of its divisors is an integer number (25856028).

Almost surely, 2^103032091 is an apocalyptic number.

103032091 is a deficient number, since it is larger than the sum of its proper divisors (392021).

103032091 is an equidigital number, since it uses as much as digits as its factorization.

103032091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392020.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 103032091 is about 10150.4724520586. The cubic root of 103032091 is about 468.8034919458.

Adding to 103032091 its reverse (190230301), we get a palindrome (293262392).

The spelling of 103032091 in words is "one hundred three million, thirty-two thousand, ninety-one".