201431325 has 24 divisors (see below), whose sum is σ = 335096608. Its totient is φ = 106764480.

The previous prime is 201431311. The next prime is 201431327. The reversal of 201431325 is 523134102.

It is not a de Polignac number, because 201431325 - 2¹⁸ = 201169181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3987 + ... + 20463.

Almost surely, 2^201431325 is an apocalyptic number.

201431325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201431325 is a deficient number, since it is larger than the sum of its proper divisors (133665283).

201431325 is a wasteful number, since it uses less digits than its factorization.

201431325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16653 (or 16648 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 201431325 is about 14192.6503867319. The cubic root of 201431325 is about 586.1953060360.

Adding to 201431325 its reverse (523134102), we get a palindrome (724565427).

The spelling of 201431325 in words is "two hundred one million, four hundred thirty-one thousand, three hundred twenty-five".