130331633 has 2 divisors, whose sum is σ = 130331634. Its totient is φ = 130331632.

The previous prime is 130331629. The next prime is 130331653. The reversal of 130331633 is 336133031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113912929 + 16418704 = 10673^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 130331633 - 2² = 130331629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130331599 and 130331608.

It is not a weakly prime, because it can be changed into another prime (130331603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165816 + 65165817.

It is an arithmetic number, because the mean of its divisors is an integer number (65165817).

Almost surely, 2^130331633 is an apocalyptic number.

It is an amenable number.

130331633 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331633 is an equidigital number, since it uses as much as digits as its factorization.

130331633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

The square root of 130331633 is about 11416.2880569824. The cubic root of 130331633 is about 507.0101016340.

Adding to 130331633 its reverse (336133031), we get a palindrome (466464664).

The spelling of 130331633 in words is "one hundred thirty million, three hundred thirty-one thousand, six hundred thirty-three".