2131112103 has 8 divisors (see below), whose sum is σ = 2842143216. Its totient is φ = 1420411200.

The previous prime is 2131112101. The next prime is 2131112147. The reversal of 2131112103 is 3012111312.

It is a happy number.

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

It is not a de Polignac number, because 2131112103 - 2¹ = 2131112101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131112101) 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, 67078 + ... + 93603.

It is an arithmetic number, because the mean of its divisors is an integer number (355267902).

Almost surely, 2^2131112103 is an apocalyptic number.

2131112103 is a deficient number, since it is larger than the sum of its proper divisors (711031113).

2131112103 is a wasteful number, since it uses less digits than its factorization.

2131112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165105.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2131112103 is about 46163.9697491453. The cubic root of 2131112103 is about 1286.8722380054.

Adding to 2131112103 its reverse (3012111312), we get a palindrome (5143223415).

The spelling of 2131112103 in words is "two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred three".