130310112021 has 4 divisors (see below), whose sum is σ = 173746816032. Its totient is φ = 86873408012.

The previous prime is 130310112017. The next prime is 130310112041. The reversal of 130310112021 is 120211013031.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 130310112021 - 2² = 130310112017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130310112001) 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, 21718352001 + ... + 21718352006.

It is an arithmetic number, because the mean of its divisors is an integer number (43436704008).

Almost surely, 2^130310112021 is an apocalyptic number.

It is an amenable number.

130310112021 is a deficient number, since it is larger than the sum of its proper divisors (43436704011).

130310112021 is an equidigital number, since it uses as much as digits as its factorization.

130310112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43436704010.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 130310112021 its reverse (120211013031), we get a palindrome (250521125052).

The spelling of 130310112021 in words is "one hundred thirty billion, three hundred ten million, one hundred twelve thousand, twenty-one".