103112231 has 4 divisors (see below), whose sum is σ = 106438464. Its totient is φ = 99786000.

The previous prime is 103112209. The next prime is 103112239. The reversal of 103112231 is 132211301.

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 103112231 - 2¹⁰ = 103111207 is a prime.

It is a super-4 number, since 4×103112231⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112239) 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, 1663070 + ... + 1663131.

It is an arithmetic number, because the mean of its divisors is an integer number (26609616).

Almost surely, 2^103112231 is an apocalyptic number.

103112231 is a deficient number, since it is larger than the sum of its proper divisors (3326233).

103112231 is an equidigital number, since it uses as much as digits as its factorization.

103112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326232.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103112231 is about 10154.4192842329. The cubic root of 103112231 is about 468.9250080510.

Adding to 103112231 its reverse (132211301), we get a palindrome (235323532).

The spelling of 103112231 in words is "one hundred three million, one hundred twelve thousand, two hundred thirty-one".