130321210231 has 4 divisors (see below), whose sum is σ = 137987163792. Its totient is φ = 122655256672.

The previous prime is 130321210219. The next prime is 130321210241. The reversal of 130321210231 is 132012123031.

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

It is a cyclic number.

It is not a de Polignac number, because 130321210231 - 2⁵ = 130321210199 is a prime.

It is a super-2 number, since 2×130321210231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130321210199 and 130321210208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130321210211) 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, 3832976755 + ... + 3832976788.

It is an arithmetic number, because the mean of its divisors is an integer number (34496790948).

Almost surely, 2^130321210231 is an apocalyptic number.

130321210231 is a deficient number, since it is larger than the sum of its proper divisors (7665953561).

130321210231 is an equidigital number, since it uses as much as digits as its factorization.

130321210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665953560.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130321210231 its reverse (132012123031), we get a palindrome (262333333262).

The spelling of 130321210231 in words is "one hundred thirty billion, three hundred twenty-one million, two hundred ten thousand, two hundred thirty-one".