131021314311421 has 8 divisors (see below), whose sum is σ = 131822998928000. Its totient is φ = 130221062555760.

The previous prime is 131021314311397. The next prime is 131021314311463. The reversal of 131021314311421 is 124113413120131.

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

It is a cyclic number.

It is not a de Polignac number, because 131021314311421 - 2²³ = 131021305922813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131021314311421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021314311491) 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, 358031790 + ... + 358397551.

It is an arithmetic number, because the mean of its divisors is an integer number (16477874866000).

Almost surely, 2^{131021314311421} is an apocalyptic number.

It is an amenable number.

131021314311421 is a deficient number, since it is larger than the sum of its proper divisors (801684616579).

131021314311421 is an equidigital number, since it uses as much as digits as its factorization.

131021314311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716430459.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 131021314311421 its reverse (124113413120131), we get a palindrome (255134727431552).

The spelling of 131021314311421 in words is "one hundred thirty-one trillion, twenty-one billion, three hundred fourteen million, three hundred eleven thousand, four hundred twenty-one".