103311433 has 4 divisors (see below), whose sum is σ = 103692928. Its totient is φ = 102929940.

The previous prime is 103311421. The next prime is 103311443. The reversal of 103311433 is 334113301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103311433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103311433.

It is not an unprimeable number, because it can be changed into a prime (103311443) 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, 190341 + ... + 190882.

It is an arithmetic number, because the mean of its divisors is an integer number (25923232).

Almost surely, 2^103311433 is an apocalyptic number.

It is an amenable number.

103311433 is a deficient number, since it is larger than the sum of its proper divisors (381495).

103311433 is an equidigital number, since it uses as much as digits as its factorization.

103311433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381494.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 103311433 is about 10164.2231872387. The cubic root of 103311433 is about 469.2267850880.

Adding to 103311433 its reverse (334113301), we get a palindrome (437424734).

The spelling of 103311433 in words is "one hundred three million, three hundred eleven thousand, four hundred thirty-three".