131134034440423 has 32 divisors (see below), whose sum is σ = 152025793920000. Its totient is φ = 110793134347776.

The previous prime is 131134034440399. The next prime is 131134034440439. The reversal of 131134034440423 is 324044430431131.

It is a cyclic number.

It is not a de Polignac number, because 131134034440423 - 2³⁷ = 130996595486951 is a prime.

It is a super-2 number, since 2×131134034440423² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134034440723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141204303 + ... + 142129951.

It is an arithmetic number, because the mean of its divisors is an integer number (4750806060000).

Almost surely, 2^{131134034440423} is an apocalyptic number.

131134034440423 is a deficient number, since it is larger than the sum of its proper divisors (20891759479577).

131134034440423 is a wasteful number, since it uses less digits than its factorization.

131134034440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926671.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 131134034440423 its reverse (324044430431131), we get a palindrome (455178464871554).

The spelling of 131134034440423 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, thirty-four million, four hundred forty thousand, four hundred twenty-three".