130442302023221 has 4 divisors (see below), whose sum is σ = 130442582842572. Its totient is φ = 130442021203872.

The previous prime is 130442302023211. The next prime is 130442302023223. The reversal of 130442302023221 is 122320203244031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47986640163121 + 82455661860100 = 6927239^2 + 9080510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130442302023221 is a prime.

It is a super-3 number, since 3×130442302023221³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130442302023223) 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, 139711760 + ... + 140642313.

It is an arithmetic number, because the mean of its divisors is an integer number (32610645710643).

Almost surely, 2^{130442302023221} is an apocalyptic number.

It is an amenable number.

130442302023221 is a deficient number, since it is larger than the sum of its proper divisors (280819351).

130442302023221 is an equidigital number, since it uses as much as digits as its factorization.

130442302023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280819350.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 130442302023221 its reverse (122320203244031), we get a palindrome (252762505267252).

The spelling of 130442302023221 in words is "one hundred thirty trillion, four hundred forty-two billion, three hundred two million, twenty-three thousand, two hundred twenty-one".