1131340103 has 4 divisors (see below), whose sum is σ = 1141719480. Its totient is φ = 1120960728.

The previous prime is 1131340033. The next prime is 1131340117. The reversal of 1131340103 is 3010431311.

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 1131340103 - 2¹² = 1131336007 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 (1131340153) 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, 5189525 + ... + 5189742.

It is an arithmetic number, because the mean of its divisors is an integer number (285429870).

Almost surely, 2^1131340103 is an apocalyptic number.

1131340103 is a deficient number, since it is larger than the sum of its proper divisors (10379377).

1131340103 is a wasteful number, since it uses less digits than its factorization.

1131340103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379376.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131340103 is about 33635.3995516628. The cubic root of 1131340103 is about 1041.9920224533.

Adding to 1131340103 its reverse (3010431311), we get a palindrome (4141771414).

The spelling of 1131340103 in words is "one billion, one hundred thirty-one million, three hundred forty thousand, one hundred three".