103231231 has 4 divisors (see below), whose sum is σ = 104685264. Its totient is φ = 101777200.

The previous prime is 103231207. The next prime is 103231253. The reversal of 103231231 is 132132301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132132301 = 7 ⋅18876043.

It is a cyclic number.

It is not a de Polignac number, because 103231231 - 2¹³ = 103223039 is a prime.

It is a super-2 number, since 2×103231231² = 21313374107550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103211231) 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, 726910 + ... + 727051.

It is an arithmetic number, because the mean of its divisors is an integer number (26171316).

Almost surely, 2^103231231 is an apocalyptic number.

103231231 is a deficient number, since it is larger than the sum of its proper divisors (1454033).

103231231 is an equidigital number, since it uses as much as digits as its factorization.

103231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454032.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103231231 is about 10160.2771123626. The cubic root of 103231231 is about 469.1053313824.

Adding to 103231231 its reverse (132132301), we get a palindrome (235363532).

The spelling of 103231231 in words is "one hundred three million, two hundred thirty-one thousand, two hundred thirty-one".