200001244431431 has 4 divisors (see below), whose sum is σ = 200002064651664. Its totient is φ = 200000424211200.

The previous prime is 200001244431427. The next prime is 200001244431491. The reversal of 200001244431431 is 134134442100002.

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 200001244431431 - 2² = 200001244431427 is a prime.

It is a super-2 number, since 2×200001244431431² (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 = 200001244431394 and 200001244431403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001244431491) 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, 409744250 + ... + 410232071.

It is an arithmetic number, because the mean of its divisors is an integer number (50000516162916).

Almost surely, 2^{200001244431431} is an apocalyptic number.

200001244431431 is a deficient number, since it is larger than the sum of its proper divisors (820220233).

200001244431431 is an equidigital number, since it uses as much as digits as its factorization.

200001244431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820220232.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 200001244431431 its reverse (134134442100002), we get a palindrome (334135686531433).

The spelling of 200001244431431 in words is "two hundred trillion, one billion, two hundred forty-four million, four hundred thirty-one thousand, four hundred thirty-one".