131065325434 has 16 divisors (see below), whose sum is σ = 200856537000. Its totient is φ = 64128328704.

The previous prime is 131065325431. The next prime is 131065325483. The reversal of 131065325434 is 434523560131.

It can be written as a sum of positive squares in 4 ways, for example, as 94067957025 + 36997368409 = 306705^2 + 192347^2 .

It is a super-2 number, since 2×131065325434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131065325393 and 131065325402.

It is not an unprimeable number, because it can be changed into a prime (131065325431) 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, 3778209 + ... + 3812740.

Almost surely, 2^131065325434 is an apocalyptic number.

131065325434 is a deficient number, since it is larger than the sum of its proper divisors (69791211566).

131065325434 is an equidigital number, since it uses as much as digits as its factorization.

131065325434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591137.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 131065325434 its reverse (434523560131), we get a palindrome (565588885565).

The spelling of 131065325434 in words is "one hundred thirty-one billion, sixty-five million, three hundred twenty-five thousand, four hundred thirty-four".