131231423134133 has 8 divisors (see below), whose sum is σ = 150120125354880. Its totient is φ = 112378059928080.

The previous prime is 131231423134111. The next prime is 131231423134139. The reversal of 131231423134133 is 331431324132131.

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 131231423134133 - 2²⁰ = 131231422085557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131231423134093 and 131231423134102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231423134139) 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, 8834745713 + ... + 8834760566.

It is an arithmetic number, because the mean of its divisors is an integer number (18765015669360).

Almost surely, 2^{131231423134133} is an apocalyptic number.

It is an amenable number.

131231423134133 is a deficient number, since it is larger than the sum of its proper divisors (18888702220747).

131231423134133 is a wasteful number, since it uses less digits than its factorization.

131231423134133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669507347.

The product of its digits is 46656, while the sum is 35.

Adding to 131231423134133 its reverse (331431324132131), we get a palindrome (462662747266264).

The spelling of 131231423134133 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, four hundred twenty-three million, one hundred thirty-four thousand, one hundred thirty-three".