131206135311232 has 32 divisors (see below), whose sum is σ = 261982637888400. Its totient is φ = 65453630115840.

The previous prime is 131206135311203. The next prime is 131206135311311. The reversal of 131206135311232 is 232113531602131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167424369 + ... + 1167536752.

Almost surely, 2^{131206135311232} is an apocalyptic number.

It is an amenable number.

131206135311232 is a deficient number, since it is larger than the sum of its proper divisors (130776502577168).

131206135311232 is an equidigital number, since it uses as much as digits as its factorization.

131206135311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334961574 (or 2334961562 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 131206135311232 its reverse (232113531602131), we get a palindrome (363319666913363).

The spelling of 131206135311232 in words is "one hundred thirty-one trillion, two hundred six billion, one hundred thirty-five million, three hundred eleven thousand, two hundred thirty-two".