131011013212225 has 48 divisors (see below), whose sum is σ = 167512940092800. Its totient is φ = 101567553454080.

The previous prime is 131011013212153. The next prime is 131011013212259. The reversal of 131011013212225 is 522212310110131.

It is not a de Polignac number, because 131011013212225 - 2¹⁹ = 131011012687937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 131011013212225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2438793916 + ... + 2438847634.

It is an arithmetic number, because the mean of its divisors is an integer number (3489852918600).

Almost surely, 2^{131011013212225} is an apocalyptic number.

It is an amenable number.

131011013212225 is a deficient number, since it is larger than the sum of its proper divisors (36501926880575).

131011013212225 is a wasteful number, since it uses less digits than its factorization.

131011013212225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64282 (or 64277 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 131011013212225 its reverse (522212310110131), we get a palindrome (653223323322356).

The spelling of 131011013212225 in words is "one hundred thirty-one trillion, eleven billion, thirteen million, two hundred twelve thousand, two hundred twenty-five".