131233130340 has 96 divisors (see below), whose sum is σ = 416545691520. Its totient is φ = 30603350016.

The previous prime is 131233130311. The next prime is 131233130383. The reversal of 131233130340 is 43031332131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131233130340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4412749 + ... + 4442388.

It is an arithmetic number, because the mean of its divisors is an integer number (4339017620).

Almost surely, 2^131233130340 is an apocalyptic number.

131233130340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233130340 is an abundant number, since it is smaller than the sum of its proper divisors (285312561180).

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

131233130340 is a wasteful number, since it uses less digits than its factorization.

131233130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855181 (or 8855179 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131233130340 its reverse (43031332131), we get a palindrome (174264462471).

The spelling of 131233130340 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred thirty thousand, three hundred forty".