131000031201421 has 8 divisors (see below), whose sum is σ = 132177411019584. Its totient is φ = 129822968708160.

The previous prime is 131000031201373. The next prime is 131000031201443. The reversal of 131000031201421 is 124102130000131.

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 131000031201421 - 2¹⁹ = 131000030677133 is a prime.

It is a super-2 number, since 2×131000031201421² (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 (131000031202421) 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, 78501825 + ... + 80153206.

It is an arithmetic number, because the mean of its divisors is an integer number (16522176377448).

Almost surely, 2^{131000031201421} is an apocalyptic number.

It is an amenable number.

131000031201421 is a deficient number, since it is larger than the sum of its proper divisors (1177379818163).

131000031201421 is a wasteful number, since it uses less digits than its factorization.

131000031201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158662451.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131000031201421 its reverse (124102130000131), we get a palindrome (255102161201552).

The spelling of 131000031201421 in words is "one hundred thirty-one trillion, thirty-one million, two hundred one thousand, four hundred twenty-one".