200131104203231 has 4 divisors (see below), whose sum is σ = 200455465798992. Its totient is φ = 199806742607472.

The previous prime is 200131104203197. The next prime is 200131104203237. The reversal of 200131104203231 is 132302401131002.

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 200131104203231 - 2¹⁴ = 200131104186847 is a prime.

It is a super-2 number, since 2×200131104203231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200131104203197 and 200131104203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131104203237) 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, 162180796955 + ... + 162180798188.

It is an arithmetic number, because the mean of its divisors is an integer number (50113866449748).

Almost surely, 2^{200131104203231} is an apocalyptic number.

200131104203231 is a deficient number, since it is larger than the sum of its proper divisors (324361595761).

200131104203231 is an equidigital number, since it uses as much as digits as its factorization.

200131104203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324361595760.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 200131104203231 its reverse (132302401131002), we get a palindrome (332433505334233).

The spelling of 200131104203231 in words is "two hundred trillion, one hundred thirty-one billion, one hundred four million, two hundred three thousand, two hundred thirty-one".