103213033 has 16 divisors (see below), whose sum is σ = 130135680. Its totient is φ = 79516800.

The previous prime is 103213009. The next prime is 103213039. The reversal of 103213033 is 330312301.

It is a de Polignac number, because none of the positive numbers 2^k-103213033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103212998 and 103213016.

It is not an unprimeable number, because it can be changed into a prime (103213039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (8133480).

Almost surely, 2^103213033 is an apocalyptic number.

It is an amenable number.

103213033 is a deficient number, since it is larger than the sum of its proper divisors (26922647).

103213033 is a wasteful number, since it uses less digits than its factorization.

103213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 103213033 is about 10159.3815264513. The cubic root of 103213033 is about 469.0777645294.

Adding to 103213033 its reverse (330312301), we get a palindrome (433525334).

The spelling of 103213033 in words is "one hundred three million, two hundred thirteen thousand, thirty-three".