131311013212011 has 4 divisors (see below), whose sum is σ = 175081350949352. Its totient is φ = 87540675474672.

The previous prime is 131311013211979. The next prime is 131311013212087. The reversal of 131311013212011 is 110212310113131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131311013212011 - 2⁵ = 131311013211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131311013412011) 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, 21885168868666 + ... + 21885168868671.

It is an arithmetic number, because the mean of its divisors is an integer number (43770337737338).

Almost surely, 2^{131311013212011} is an apocalyptic number.

131311013212011 is a deficient number, since it is larger than the sum of its proper divisors (43770337737341).

131311013212011 is an equidigital number, since it uses as much as digits as its factorization.

131311013212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43770337737340.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 131311013212011 its reverse (110212310113131), we get a palindrome (241523323325142).

The spelling of 131311013212011 in words is "one hundred thirty-one trillion, three hundred eleven billion, thirteen million, two hundred twelve thousand, eleven".