103013111 has 4 divisors (see below), whose sum is σ = 103045032. Its totient is φ = 102981192.

The previous prime is 103013107. The next prime is 103013123. The reversal of 103013111 is 111310301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111310301 = 149 ⋅747049.

It is a cyclic number.

It is not a de Polignac number, because 103013111 - 2² = 103013107 is a prime.

It is a super-2 number, since 2×103013111² = 21223402075796642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103013092 and 103013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10496 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (25761258).

Almost surely, 2^103013111 is an apocalyptic number.

103013111 is a deficient number, since it is larger than the sum of its proper divisors (31921).

103013111 is an equidigital number, since it uses as much as digits as its factorization.

103013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31920.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 103013111 is about 10149.5374771464. The cubic root of 103013111 is about 468.7747033855.

Adding to 103013111 its reverse (111310301), we get a palindrome (214323412).

It can be divided in two parts, 1030 and 13111, that added together give a palindrome (14141).

The spelling of 103013111 in words is "one hundred three million, thirteen thousand, one hundred eleven".