201343431 has 8 divisors (see below), whose sum is σ = 268645104. Its totient is φ = 134135360.

The previous prime is 201343409. The next prime is 201343453. The reversal of 201343431 is 134343102.

It is an interprime number because it is at equal distance from previous prime (201343409) and next prime (201343453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201343431 - 2¹⁷ = 201212359 is a prime.

It is a super-2 number, since 2×201343431² = 81078354413703522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201343398 and 201343407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18216 + ... + 27101.

It is an arithmetic number, because the mean of its divisors is an integer number (33580638).

Almost surely, 2^201343431 is an apocalyptic number.

201343431 is a deficient number, since it is larger than the sum of its proper divisors (67301673).

201343431 is a wasteful number, since it uses less digits than its factorization.

201343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46801.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201343431 is about 14189.5535870583. The cubic root of 201343431 is about 586.1100320664.

Adding to 201343431 its reverse (134343102), we get a palindrome (335686533).

The spelling of 201343431 in words is "two hundred one million, three hundred forty-three thousand, four hundred thirty-one".