131201321131432 has 128 divisors (see below), whose sum is σ = 270826154726400. Its totient is φ = 59310217612800.

The previous prime is 131201321131427. The next prime is 131201321131469. The reversal of 131201321131432 is 234131123102131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131201321131432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2753009748 + ... + 2753057404.

It is an arithmetic number, because the mean of its divisors is an integer number (2115829333800).

Almost surely, 2^{131201321131432} is an apocalyptic number.

It is an amenable number.

131201321131432 is an abundant number, since it is smaller than the sum of its proper divisors (139624833594968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131201321131432 is a wasteful number, since it uses less digits than its factorization.

131201321131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49487 (or 49483 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 131201321131432 its reverse (234131123102131), we get a palindrome (365332444233563).

The spelling of 131201321131432 in words is "one hundred thirty-one trillion, two hundred one billion, three hundred twenty-one million, one hundred thirty-one thousand, four hundred thirty-two".