131211211444009 has 8 divisors (see below), whose sum is σ = 132159582943232. Its totient is φ = 130263884985600.

The previous prime is 131211211443997. The next prime is 131211211444013. The reversal of 131211211444009 is 900444112112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131211211444009 - 2⁷ = 131211211443881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211211444109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261008184 + ... + 261510409.

It is an arithmetic number, because the mean of its divisors is an integer number (16519947867904).

Almost surely, 2^{131211211444009} is an apocalyptic number.

It is an amenable number.

131211211444009 is a deficient number, since it is larger than the sum of its proper divisors (948371499223).

131211211444009 is a wasteful number, since it uses less digits than its factorization.

131211211444009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522520407.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 131211211444009 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, four hundred forty-four thousand, nine".