30313133 has 8 divisors (see below), whose sum is σ = 31645440. Its totient is φ = 29003040.

The previous prime is 30313123. The next prime is 30313141. The reversal of 30313133 is 33131303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30313133 - 2⁶ = 30313069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (3955680).

Almost surely, 2^30313133 is an apocalyptic number.

It is an amenable number.

30313133 is a deficient number, since it is larger than the sum of its proper divisors (1332307).

30313133 is a wasteful number, since it uses less digits than its factorization.

30313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 30313133 is about 5505.7363721849. The cubic root of 30313133 is about 311.8005964789.

Adding to 30313133 its reverse (33131303), we get a palindrome (63444436).

The spelling of 30313133 in words is "thirty million, three hundred thirteen thousand, one hundred thirty-three".