131134131115431 has 16 divisors (see below), whose sum is σ = 178566411684864. Its totient is φ = 85562318693664.

The previous prime is 131134131115417. The next prime is 131134131115447. The reversal of 131134131115431 is 134511131431131.

It is not a de Polignac number, because 131134131115431 - 2¹¹ = 131134131113383 is a prime.

It is a super-2 number, since 2×131134131115431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131134131115392 and 131134131115401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134231115431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32096625 + ... + 35950821.

It is an arithmetic number, because the mean of its divisors is an integer number (11160400730304).

Almost surely, 2^{131134131115431} is an apocalyptic number.

131134131115431 is a deficient number, since it is larger than the sum of its proper divisors (47432280569433).

131134131115431 is a wasteful number, since it uses less digits than its factorization.

131134131115431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095550.

The product of its digits is 6480, while the sum is 33.

Adding to 131134131115431 its reverse (134511131431131), we get a palindrome (265645262546562).

The spelling of 131134131115431 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, one hundred thirty-one million, one hundred fifteen thousand, four hundred thirty-one".