131320210011 has 4 divisors (see below), whose sum is σ = 175093613352. Its totient is φ = 87546806672.

The previous prime is 131320210003. The next prime is 131320210031. The reversal of 131320210011 is 110012023131.

It is a happy number.

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 131320210011 - 2³ = 131320210003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131320210031) 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, 21886701666 + ... + 21886701671.

It is an arithmetic number, because the mean of its divisors is an integer number (43773403338).

Almost surely, 2^131320210011 is an apocalyptic number.

131320210011 is a deficient number, since it is larger than the sum of its proper divisors (43773403341).

131320210011 is an equidigital number, since it uses as much as digits as its factorization.

131320210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773403340.

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

Adding to 131320210011 its reverse (110012023131), we get a palindrome (241332233142).

The spelling of 131320210011 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred ten thousand, eleven".