13131321202006 has 64 divisors (see below), whose sum is σ = 22896965744640. Its totient is φ = 5532005445120.

The previous prime is 13131321202001. The next prime is 13131321202037. The reversal of 13131321202006 is 60020212313131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131321202001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157648386 + ... + 157731658.

It is an arithmetic number, because the mean of its divisors is an integer number (357765089760).

Almost surely, 2^{13131321202006} is an apocalyptic number.

13131321202006 is a deficient number, since it is larger than the sum of its proper divisors (9765644542634).

13131321202006 is a wasteful number, since it uses less digits than its factorization.

13131321202006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84109.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13131321202006 its reverse (60020212313131), we get a palindrome (73151533515137).

The spelling of 13131321202006 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twenty-one million, two hundred two thousand, six".