103113231 has 24 divisors (see below), whose sum is σ = 150134544. Its totient is φ = 62576640.

The previous prime is 103113221. The next prime is 103113233. The reversal of 103113231 is 132311301.

It is not a de Polignac number, because 103113231 - 2⁶ = 103113167 is a prime.

It is a super-2 number, since 2×103113231² = 21264676814518722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103113231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366811 + ... + 367091.

It is an arithmetic number, because the mean of its divisors is an integer number (6255606).

Almost surely, 2^103113231 is an apocalyptic number.

103113231 is a deficient number, since it is larger than the sum of its proper divisors (47021313).

103113231 is an equidigital number, since it uses as much as digits as its factorization.

103113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 103113231 is about 10154.4685237584. The cubic root of 103113231 is about 468.9265239510.

Adding to 103113231 its reverse (132311301), we get a palindrome (235424532).

The spelling of 103113231 in words is "one hundred three million, one hundred thirteen thousand, two hundred thirty-one".