130022813 has 4 divisors (see below), whose sum is σ = 131963520. Its totient is φ = 128082108.

The previous prime is 130022803. The next prime is 130022831. The reversal of 130022813 is 318220031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318220031 = 863 ⋅368737.

It is a cyclic number.

It is not a de Polignac number, because 130022813 - 2¹⁰ = 130021789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130022803) 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, 970253 + ... + 970386.

It is an arithmetic number, because the mean of its divisors is an integer number (32990880).

Almost surely, 2^130022813 is an apocalyptic number.

It is an amenable number.

130022813 is a deficient number, since it is larger than the sum of its proper divisors (1940707).

130022813 is an equidigital number, since it uses as much as digits as its factorization.

130022813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940706.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 130022813 is about 11402.7546233355. The cubic root of 130022813 is about 506.6093324916.

Adding to 130022813 its reverse (318220031), we get a palindrome (448242844).

The spelling of 130022813 in words is "one hundred thirty million, twenty-two thousand, eight hundred thirteen".