131420491211 has 4 divisors (see below), whose sum is σ = 132009820992. Its totient is φ = 130831161432.

The previous prime is 131420491207. The next prime is 131420491243. The reversal of 131420491211 is 112194024131.

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 131420491211 - 2² = 131420491207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131420491201) 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, 294664556 + ... + 294665001.

It is an arithmetic number, because the mean of its divisors is an integer number (33002455248).

Almost surely, 2^131420491211 is an apocalyptic number.

131420491211 is a deficient number, since it is larger than the sum of its proper divisors (589329781).

131420491211 is an equidigital number, since it uses as much as digits as its factorization.

131420491211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589329780.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 131420491211 in words is "one hundred thirty-one billion, four hundred twenty million, four hundred ninety-one thousand, two hundred eleven".