103042011 has 4 divisors (see below), whose sum is σ = 137389352. Its totient is φ = 68694672.

The previous prime is 103042007. The next prime is 103042013. The reversal of 103042011 is 110240301.

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: 110240301 = 3 ⋅36746767.

It is not a de Polignac number, because 103042011 - 2² = 103042007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103042013) 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, 17173666 + ... + 17173671.

It is an arithmetic number, because the mean of its divisors is an integer number (34347338).

Almost surely, 2^103042011 is an apocalyptic number.

103042011 is a deficient number, since it is larger than the sum of its proper divisors (34347341).

103042011 is an equidigital number, since it uses as much as digits as its factorization.

103042011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34347340.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103042011 is about 10150.9610875030. The cubic root of 103042011 is about 468.8185370363.

Adding to 103042011 its reverse (110240301), we get a palindrome (213282312).

The spelling of 103042011 in words is "one hundred three million, forty-two thousand, eleven".