131406205011 has 16 divisors (see below), whose sum is σ = 176558896800. Its totient is φ = 86929990400.

The previous prime is 131406204899. The next prime is 131406205033. The reversal of 131406205011 is 110502604131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131406205011 - 2³³ = 122816270419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131406205061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307711 + ... + 597911.

It is an arithmetic number, because the mean of its divisors is an integer number (11034931050).

Almost surely, 2^131406205011 is an apocalyptic number.

131406205011 is a deficient number, since it is larger than the sum of its proper divisors (45152691789).

131406205011 is a wasteful number, since it uses less digits than its factorization.

131406205011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291366.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 131406205011 its reverse (110502604131), we get a palindrome (241908809142).

The spelling of 131406205011 in words is "one hundred thirty-one billion, four hundred six million, two hundred five thousand, eleven".