131201141213421 has 32 divisors (see below), whose sum is σ = 205018874956800. Its totient is φ = 82695112965360.

The previous prime is 131201141213413. The next prime is 131201141213537. The reversal of 131201141213421 is 124312141102131.

131201141213421 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 114 + 121 + 3 + 421 = 666.

It is not a de Polignac number, because 131201141213421 - 2³ = 131201141213413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201141213321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260188761 + ... + 260692526.

It is an arithmetic number, because the mean of its divisors is an integer number (6406839842400).

Almost surely, 2^{131201141213421} is an apocalyptic number.

It is an amenable number.

131201141213421 is a deficient number, since it is larger than the sum of its proper divisors (73817733743379).

131201141213421 is a wasteful number, since it uses less digits than its factorization.

131201141213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520881806 (or 520881800 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 131201141213421 its reverse (124312141102131), we get a palindrome (255513282315552).

The spelling of 131201141213421 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty-one".