131314021443 has 12 divisors (see below), whose sum is σ = 206919064248. Its totient is φ = 79584255360.

The previous prime is 131314021439. The next prime is 131314021457. The reversal of 131314021443 is 344120413131.

131314021443 is a `hidden beast` number, since 131 + 31 + 40 + 21 + 443 = 666.

It is not a de Polignac number, because 131314021443 - 2² = 131314021439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131314021343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663202030 + ... + 663202227.

It is an arithmetic number, because the mean of its divisors is an integer number (17243255354).

Almost surely, 2^131314021443 is an apocalyptic number.

131314021443 is a deficient number, since it is larger than the sum of its proper divisors (75605042805).

131314021443 is a wasteful number, since it uses less digits than its factorization.

131314021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326404274 (or 1326404271 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131314021443 its reverse (344120413131), we get a palindrome (475434434574).

The spelling of 131314021443 in words is "one hundred thirty-one billion, three hundred fourteen million, twenty-one thousand, four hundred forty-three".