103033131 has 4 divisors (see below), whose sum is σ = 137377512. Its totient is φ = 68688752.

The previous prime is 103033127. The next prime is 103033171. The reversal of 103033131 is 131330301.

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 103033131 - 2² = 103033127 is a prime.

It is a super-2 number, since 2×103033131² = 21231652167326322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103033131.

It is not an unprimeable number, because it can be changed into a prime (103033111) 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, 17172186 + ... + 17172191.

It is an arithmetic number, because the mean of its divisors is an integer number (34344378).

Almost surely, 2^103033131 is an apocalyptic number.

103033131 is a deficient number, since it is larger than the sum of its proper divisors (34344381).

103033131 is an equidigital number, since it uses as much as digits as its factorization.

103033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34344380.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 103033131 is about 10150.5236810718. The cubic root of 103033131 is about 468.8050692990.

Adding to 103033131 its reverse (131330301), we get a palindrome (234363432).

The spelling of 103033131 in words is "one hundred three million, thirty-three thousand, one hundred thirty-one".