200042431 has 16 divisors (see below), whose sum is σ = 221725440. Its totient is φ = 179625600.

The previous prime is 200042419. The next prime is 200042443. The reversal of 200042431 is 134240002.

It is an interprime number because it is at equal distance from previous prime (200042419) and next prime (200042443).

It is a cyclic number.

It is not a de Polignac number, because 200042431 - 2¹¹ = 200040383 is a prime.

It is a super-2 number, since 2×200042431² = 80033948400779522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200045431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47356 + ... + 51406.

It is an arithmetic number, because the mean of its divisors is an integer number (13857840).

Almost surely, 2^200042431 is an apocalyptic number.

200042431 is a deficient number, since it is larger than the sum of its proper divisors (21683009).

200042431 is a wasteful number, since it uses less digits than its factorization.

200042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 200042431 is about 14143.6357065643. The cubic root of 200042431 is about 584.8449010505.

Adding to 200042431 its reverse (134240002), we get a palindrome (334282433).

The spelling of 200042431 in words is "two hundred million, forty-two thousand, four hundred thirty-one".