2131333320006 has 72 divisors (see below), whose sum is σ = 5217401160504. Its totient is φ = 623587547520.

The previous prime is 2131333319957. The next prime is 2131333320007. The reversal of 2131333320006 is 6000233331312.

It is a happy number.

2131333320006 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 333 + 320 + 0 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131333320007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6233191 + ... + 6566226.

It is an arithmetic number, because the mean of its divisors is an integer number (72463905007).

Almost surely, 2^{2131333320006} is an apocalyptic number.

2131333320006 is an abundant number, since it is smaller than the sum of its proper divisors (3086067840498).

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

2131333320006 is a wasteful number, since it uses less digits than its factorization.

2131333320006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12799494 (or 12799462 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 2131333320006 its reverse (6000233331312), we get a palindrome (8131566651318).

The spelling of 2131333320006 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-three million, three hundred twenty thousand, six".