131331420315243 has 12 divisors (see below), whose sum is σ = 189703727495568. Its totient is φ = 87552993883920.

The previous prime is 131331420315241. The next prime is 131331420315253. The reversal of 131331420315243 is 342513024133131.

131331420315243 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 314 + 2 + 0 + 315 + 24 + 3 = 666.

It is not a de Polignac number, because 131331420315243 - 2¹ = 131331420315241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131331420315198 and 131331420315207.

It is not an unprimeable number, because it can be changed into a prime (131331420315241) 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, 106547028 + ... + 107772593.

It is an arithmetic number, because the mean of its divisors is an integer number (15808643957964).

Almost surely, 2^{131331420315243} is an apocalyptic number.

131331420315243 is a deficient number, since it is larger than the sum of its proper divisors (58372307180325).

131331420315243 is a wasteful number, since it uses less digits than its factorization.

131331420315243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214387714 (or 214387711 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 131331420315243 its reverse (342513024133131), we get a palindrome (473844444448374).

The spelling of 131331420315243 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty million, three hundred fifteen thousand, two hundred forty-three".