30743201 has 4 divisors (see below), whose sum is σ = 30762900. Its totient is φ = 30723504.

The previous prime is 30743179. The next prime is 30743231. The reversal of 30743201 is 10234703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 16120225 = 3824^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 30743201 - 2¹⁰ = 30742177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30743231) 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, 7286 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (7690725).

Almost surely, 2^30743201 is an apocalyptic number.

It is an amenable number.

30743201 is a deficient number, since it is larger than the sum of its proper divisors (19699).

30743201 is a wasteful number, since it uses less digits than its factorization.

30743201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19698.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30743201 is about 5544.6551741294. The cubic root of 30743201 is about 313.2682359357.

Adding to 30743201 its reverse (10234703), we get a palindrome (40977904).

The spelling of 30743201 in words is "thirty million, seven hundred forty-three thousand, two hundred one".