103031113 has 4 divisors (see below), whose sum is σ = 106583940. Its totient is φ = 99478288.

The previous prime is 103031083. The next prime is 103031141. The reversal of 103031113 is 311130301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65723449 + 37307664 = 8107^2 + 6108^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031113 - 2⁵ = 103031081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103031093 and 103031102.

It is not an unprimeable number, because it can be changed into a prime (103031183) 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, 1776370 + ... + 1776427.

It is an arithmetic number, because the mean of its divisors is an integer number (26645985).

Almost surely, 2^103031113 is an apocalyptic number.

It is an amenable number.

103031113 is a deficient number, since it is larger than the sum of its proper divisors (3552827).

103031113 is an equidigital number, since it uses as much as digits as its factorization.

103031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552826.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 103031113 is about 10150.4242768468. The cubic root of 103031113 is about 468.8020086175.

Adding to 103031113 its reverse (311130301), we get a palindrome (414161414).

The spelling of 103031113 in words is "one hundred three million, thirty-one thousand, one hundred thirteen".