131312202020999 has 8 divisors (see below), whose sum is σ = 138223478094000. Its totient is φ = 124400936702592.

The previous prime is 131312202020983. The next prime is 131312202021071. The reversal of 131312202020999 is 999020202213131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131312202020999 - 2⁴ = 131312202020983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312202020939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38750207 + ... + 42002415.

It is an arithmetic number, because the mean of its divisors is an integer number (17277934761750).

Almost surely, 2^{131312202020999} is an apocalyptic number.

131312202020999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131312202020999 is a deficient number, since it is larger than the sum of its proper divisors (6911276073001).

131312202020999 is a wasteful number, since it uses less digits than its factorization.

131312202020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377297.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 131312202020999 in words is "one hundred thirty-one trillion, three hundred twelve billion, two hundred two million, twenty thousand, nine hundred ninety-nine".