30996233 has 2 divisors, whose sum is σ = 30996234. Its totient is φ = 30996232.

The previous prime is 30996209. The next prime is 30996247. The reversal of 30996233 is 33269903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 2778889 = 5312^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 30996233 - 2¹⁸ = 30734089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30996193 and 30996202.

It is not a weakly prime, because it can be changed into another prime (30996263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15498116 + 15498117.

It is an arithmetic number, because the mean of its divisors is an integer number (15498117).

Almost surely, 2^30996233 is an apocalyptic number.

It is an amenable number.

30996233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30996233 is an equidigital number, since it uses as much as digits as its factorization.

30996233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 30996233 is about 5567.4260659662. The cubic root of 30996233 is about 314.1253404431.

The spelling of 30996233 in words is "thirty million, nine hundred ninety-six thousand, two hundred thirty-three".