131210041205 has 16 divisors (see below), whose sum is σ = 158814695424. Its totient is φ = 104063512320.

The previous prime is 131210041139. The next prime is 131210041213. The reversal of 131210041205 is 502140012131.

It is not a de Polignac number, because 131210041205 - 2¹⁸ = 131209779061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24572 + ... + 512858.

It is an arithmetic number, because the mean of its divisors is an integer number (9925918464).

Almost surely, 2^131210041205 is an apocalyptic number.

It is an amenable number.

131210041205 is a deficient number, since it is larger than the sum of its proper divisors (27604654219).

131210041205 is a wasteful number, since it uses less digits than its factorization.

131210041205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488756.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 131210041205 its reverse (502140012131), we get a palindrome (633350053336).

The spelling of 131210041205 in words is "one hundred thirty-one billion, two hundred ten million, forty-one thousand, two hundred five".