131331020012 has 48 divisors (see below), whose sum is σ = 243535299840. Its totient is φ = 61796135232.

The previous prime is 131331020011. The next prime is 131331020033. The reversal of 131331020012 is 210020133131.

It is not an unprimeable number, because it can be changed into a prime (131331020011) 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, 17969663 + ... + 17976969.

It is an arithmetic number, because the mean of its divisors is an integer number (5073652080).

Almost surely, 2^131331020012 is an apocalyptic number.

It is an amenable number.

131331020012 is a deficient number, since it is larger than the sum of its proper divisors (112204279828).

131331020012 is a wasteful number, since it uses less digits than its factorization.

131331020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870 (or 8868 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131331020012 its reverse (210020133131), we get a palindrome (341351153143).

The spelling of 131331020012 in words is "one hundred thirty-one billion, three hundred thirty-one million, twenty thousand, twelve".