30980233 has 2 divisors, whose sum is σ = 30980234. Its totient is φ = 30980232.

The previous prime is 30980227. The next prime is 30980263. The reversal of 30980233 is 33208903.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19474569 + 11505664 = 4413^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 30980233 - 2¹³ = 30972041 is a prime.

It is not a weakly prime, because it can be changed into another prime (30980263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15490116 + 15490117.

It is an arithmetic number, because the mean of its divisors is an integer number (15490117).

Almost surely, 2^30980233 is an apocalyptic number.

It is an amenable number.

30980233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30980233 is an equidigital number, since it uses as much as digits as its factorization.

30980233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30980233 is about 5565.9889507616. The cubic root of 30980233 is about 314.0712815033.

It can be divided in two parts, 30980 and 233, that added together give a palindrome (31213).

The spelling of 30980233 in words is "thirty million, nine hundred eighty thousand, two hundred thirty-three".