131020203131299 has 4 divisors (see below), whose sum is σ = 131026077708736. Its totient is φ = 131014328553864.

The previous prime is 131020203131291. The next prime is 131020203131347. The reversal of 131020203131299 is 992131302020131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131020203131299 - 2³ = 131020203131291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131020203131291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937255264 + ... + 2937299869.

It is an arithmetic number, because the mean of its divisors is an integer number (32756519427184).

Almost surely, 2^{131020203131299} is an apocalyptic number.

131020203131299 is a deficient number, since it is larger than the sum of its proper divisors (5874577437).

131020203131299 is an equidigital number, since it uses as much as digits as its factorization.

131020203131299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874577436.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 131020203131299 in words is "one hundred thirty-one trillion, twenty billion, two hundred three million, one hundred thirty-one thousand, two hundred ninety-nine".