200261431 has 2 divisors, whose sum is σ = 200261432. Its totient is φ = 200261430.

The previous prime is 200261419. The next prime is 200261471. The reversal of 200261431 is 134162002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200261431 - 2¹¹ = 200259383 is a prime.

It is a super-2 number, since 2×200261431² = 80209281492335522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200261399 and 200261408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200261471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100130715 + 100130716.

It is an arithmetic number, because the mean of its divisors is an integer number (100130716).

Almost surely, 2^200261431 is an apocalyptic number.

200261431 is a deficient number, since it is larger than the sum of its proper divisors (1).

200261431 is an equidigital number, since it uses as much as digits as its factorization.

200261431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 200261431 is about 14151.3755868467. The cubic root of 200261431 is about 585.0582463250.

The spelling of 200261431 in words is "two hundred million, two hundred sixty-one thousand, four hundred thirty-one".