131634420211 has 12 divisors (see below), whose sum is σ = 153131669640. Its totient is φ = 112825144320.

The previous prime is 131634420199. The next prime is 131634420217. The reversal of 131634420211 is 112024436131.

It is not a de Polignac number, because 131634420211 - 2³¹ = 129486936563 is a prime.

It is a super-2 number, since 2×131634420211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131634420211.

It is not an unprimeable number, because it can be changed into a prime (131634420217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393856 + ... + 2448226.

It is an arithmetic number, because the mean of its divisors is an integer number (12760972470).

Almost surely, 2^131634420211 is an apocalyptic number.

131634420211 is a deficient number, since it is larger than the sum of its proper divisors (21497249429).

131634420211 is an equidigital number, since it uses as much as digits as its factorization.

131634420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103794 (or 103787 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131634420211 its reverse (112024436131), we get a palindrome (243658856342).

The spelling of 131634420211 in words is "one hundred thirty-one billion, six hundred thirty-four million, four hundred twenty thousand, two hundred eleven".