103011331 has 4 divisors (see below), whose sum is σ = 108433000. Its totient is φ = 97589664.

The previous prime is 103011323. The next prime is 103011341. The reversal of 103011331 is 133110301.

It is a happy number.

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 103011331 - 2³ = 103011323 is a prime.

It is a super-3 number, since 3×103011331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (103011301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710806 + ... + 2710843.

It is an arithmetic number, because the mean of its divisors is an integer number (27108250).

Almost surely, 2^103011331 is an apocalyptic number.

103011331 is a deficient number, since it is larger than the sum of its proper divisors (5421669).

103011331 is an equidigital number, since it uses as much as digits as its factorization.

103011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421668.

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

The square root of 103011331 is about 10149.4497880427. The cubic root of 103011331 is about 468.7720033286.

Adding to 103011331 its reverse (133110301), we get a palindrome (236121632).

The spelling of 103011331 in words is "one hundred three million, eleven thousand, three hundred thirty-one".