131432104042 has 16 divisors (see below), whose sum is σ = 198504124200. Its totient is φ = 65264208832.

The previous prime is 131432104019. The next prime is 131432104043. The reversal of 131432104042 is 240401234131.

It can be written as a sum of positive squares in 4 ways, for example, as 27715257441 + 103716846601 = 166479^2 + 322051^2 .

It is a super-2 number, since 2×131432104042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131432103998 and 131432104016.

It is not an unprimeable number, because it can be changed into a prime (131432104043) 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, 1949448 + ... + 2015740.

Almost surely, 2^131432104042 is an apocalyptic number.

131432104042 is a deficient number, since it is larger than the sum of its proper divisors (67072020158).

131432104042 is a wasteful number, since it uses less digits than its factorization.

131432104042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73097.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 131432104042 its reverse (240401234131), we get a palindrome (371833338173).

The spelling of 131432104042 in words is "one hundred thirty-one billion, four hundred thirty-two million, one hundred four thousand, forty-two".