213130130131 has 4 divisors (see below), whose sum is σ = 222396657552. Its totient is φ = 203863602712.

The previous prime is 213130130123. The next prime is 213130130201. The reversal of 213130130131 is 131031031312.

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 213130130131 - 2³ = 213130130123 is a prime.

It is a super-2 number, since 2×213130130131² (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 = 213130130099 and 213130130108.

It is not an unprimeable number, because it can be changed into a prime (213130130231) 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, 4633263676 + ... + 4633263721.

It is an arithmetic number, because the mean of its divisors is an integer number (55599164388).

Almost surely, 2^213130130131 is an apocalyptic number.

213130130131 is a deficient number, since it is larger than the sum of its proper divisors (9266527421).

213130130131 is an equidigital number, since it uses as much as digits as its factorization.

213130130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266527420.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 213130130131 its reverse (131031031312), we get a palindrome (344161161443).

The spelling of 213130130131 in words is "two hundred thirteen billion, one hundred thirty million, one hundred thirty thousand, one hundred thirty-one".