131342200323421 has 8 divisors (see below), whose sum is σ = 132420418032800. Its totient is φ = 130267041388848.

The previous prime is 131342200323377. The next prime is 131342200323431. The reversal of 131342200323421 is 124323002243131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131342200323421 is a prime.

It is a super-2 number, since 2×131342200323421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131342200323431) 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, 764607471 + ... + 764779228.

It is an arithmetic number, because the mean of its divisors is an integer number (16552552254100).

Almost surely, 2^{131342200323421} is an apocalyptic number.

It is an amenable number.

131342200323421 is a deficient number, since it is larger than the sum of its proper divisors (1078217709379).

131342200323421 is a wasteful number, since it uses less digits than its factorization.

131342200323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529387403.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131342200323421 its reverse (124323002243131), we get a palindrome (255665202566552).

The spelling of 131342200323421 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred million, three hundred twenty-three thousand, four hundred twenty-one".