1231032103 has 8 divisors (see below), whose sum is σ = 1452277760. Its totient is φ = 1021132440.

The previous prime is 1231032091. The next prime is 1231032119. The reversal of 1231032103 is 3012301321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231032103 - 2²¹ = 1228934951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231032163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836263 + ... + 2836696.

It is an arithmetic number, because the mean of its divisors is an integer number (181534720).

Almost surely, 2^1231032103 is an apocalyptic number.

1231032103 is a deficient number, since it is larger than the sum of its proper divisors (221245657).

1231032103 is an equidigital number, since it uses as much as digits as its factorization.

1231032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672997.

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

The square root of 1231032103 is about 35086.0670779727. The cubic root of 1231032103 is about 1071.7408709339.

Adding to 1231032103 its reverse (3012301321), we get a palindrome (4243333424).

The spelling of 1231032103 in words is "one billion, two hundred thirty-one million, thirty-two thousand, one hundred three".