131032304040 has 128 divisors (see below), whose sum is σ = 434261606400. Its totient is φ = 31363288320.

The previous prime is 131032304017. The next prime is 131032304059. The reversal of 131032304040 is 40403230131.

It is a junction number, because it is equal to n+sod(n) for n = 131032303998 and 131032304016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523992 + ... + 732551.

It is an arithmetic number, because the mean of its divisors is an integer number (3392668800).

Almost surely, 2^131032304040 is an apocalyptic number.

131032304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032304040 is an abundant number, since it is smaller than the sum of its proper divisors (303229302360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131032304040 is a wasteful number, since it uses less digits than its factorization.

131032304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256647 (or 1256643 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131032304040 its reverse (40403230131), we get a palindrome (171435534171).

The spelling of 131032304040 in words is "one hundred thirty-one billion, thirty-two million, three hundred four thousand, forty".