130000200031021 has 4 divisors (see below), whose sum is σ = 130778644342752. Its totient is φ = 129221755719292.

The previous prime is 130000200030983. The next prime is 130000200031049. The reversal of 130000200031021 is 120130002000031.

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 130000200031021 - 2¹⁹ = 130000199506733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130000200030992 and 130000200031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130000200031061) 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, 389222155615 + ... + 389222155948.

It is an arithmetic number, because the mean of its divisors is an integer number (32694661085688).

Almost surely, 2^{130000200031021} is an apocalyptic number.

It is an amenable number.

130000200031021 is a deficient number, since it is larger than the sum of its proper divisors (778444311731).

130000200031021 is an equidigital number, since it uses as much as digits as its factorization.

130000200031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778444311730.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 130000200031021 its reverse (120130002000031), we get a palindrome (250130202031052).

The spelling of 130000200031021 in words is "one hundred thirty trillion, two hundred million, thirty-one thousand, twenty-one".