30331140233 has 2 divisors, whose sum is σ = 30331140234. Its totient is φ = 30331140232.

The previous prime is 30331140209. The next prime is 30331140241. The reversal of 30331140233 is 33204113303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18618056704 + 11713083529 = 136448^2 + 108227^2 .

It is a cyclic number.

It is not a de Polignac number, because 30331140233 - 2⁸ = 30331139977 is a prime.

It is a super-2 number, since 2×30331140233² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30331140199 and 30331140208.

It is not a weakly prime, because it can be changed into another prime (30331140293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165570116 + 15165570117.

It is an arithmetic number, because the mean of its divisors is an integer number (15165570117).

Almost surely, 2^30331140233 is an apocalyptic number.

It is an amenable number.

30331140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30331140233 is an equidigital number, since it uses as much as digits as its factorization.

30331140233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30331140233 its reverse (33204113303), we get a palindrome (63535253536).

The spelling of 30331140233 in words is "thirty billion, three hundred thirty-one million, one hundred forty thousand, two hundred thirty-three".