103011231 has 8 divisors (see below), whose sum is σ = 137401264. Its totient is φ = 68647680.

The previous prime is 103011221. The next prime is 103011239. The reversal of 103011231 is 132110301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103011231 - 2⁵ = 103011199 is a prime.

It is a super-2 number, since 2×103011231² = 21222627424270722, 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 (103011239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (17175158).

Almost surely, 2^103011231 is an apocalyptic number.

103011231 is a deficient number, since it is larger than the sum of its proper divisors (34390033).

103011231 is an equidigital number, since it uses as much as digits as its factorization.

103011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13241.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103011231 is about 10149.4448616661. Note that the first 3 decimals coincide. The cubic root of 103011231 is about 468.7718516391.

Adding to 103011231 its reverse (132110301), we get a palindrome (235121532).

The spelling of 103011231 in words is "one hundred three million, eleven thousand, two hundred thirty-one".