130204331 has 4 divisors (see below), whose sum is σ = 130591032. Its totient is φ = 129817632.

The previous prime is 130204289. The next prime is 130204351. The reversal of 130204331 is 133402031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133402031 = 7 ⋅19057433.

It is a cyclic number.

It is not a de Polignac number, because 130204331 - 2⁶ = 130204267 is a prime.

It is a super-2 number, since 2×130204331² = 33906335622315122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130204351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192845 + ... + 193518.

It is an arithmetic number, because the mean of its divisors is an integer number (32647758).

Almost surely, 2^130204331 is an apocalyptic number.

130204331 is a deficient number, since it is larger than the sum of its proper divisors (386701).

130204331 is an equidigital number, since it uses as much as digits as its factorization.

130204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386700.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130204331 is about 11410.7112398833. The cubic root of 130204331 is about 506.8449730713.

Adding to 130204331 its reverse (133402031), we get a palindrome (263606362).

The spelling of 130204331 in words is "one hundred thirty million, two hundred four thousand, three hundred thirty-one".