130311221323 has 4 divisors (see below), whose sum is σ = 130311999640. Its totient is φ = 130310443008.

The previous prime is 130311221197. The next prime is 130311221329. The reversal of 130311221323 is 323122113031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 323122113031 = 138323 ⋅2335997.

It is a cyclic number.

It is not a de Polignac number, because 130311221323 - 2¹⁷ = 130311090251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130311221294 and 130311221303.

It is not an unprimeable number, because it can be changed into a prime (130311221329) 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, 23478 + ... + 511051.

It is an arithmetic number, because the mean of its divisors is an integer number (32577999910).

Almost surely, 2^130311221323 is an apocalyptic number.

130311221323 is a deficient number, since it is larger than the sum of its proper divisors (778317).

130311221323 is an equidigital number, since it uses as much as digits as its factorization.

130311221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778316.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 130311221323 its reverse (323122113031), we get a palindrome (453433334354).

The spelling of 130311221323 in words is "one hundred thirty billion, three hundred eleven million, two hundred twenty-one thousand, three hundred twenty-three".