201631364 has 12 divisors (see below), whose sum is σ = 384932688. Its totient is φ = 91650600.

The previous prime is 201631333. The next prime is 201631387. The reversal of 201631364 is 463136102.

201631364 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

201631364 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291222 + ... + 2291309.

It is an arithmetic number, because the mean of its divisors is an integer number (32077724).

Almost surely, 2^201631364 is an apocalyptic number.

It is an amenable number.

201631364 is a deficient number, since it is larger than the sum of its proper divisors (183301324).

201631364 is a wasteful number, since it uses less digits than its factorization.

201631364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582546 (or 4582544 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 201631364 is about 14199.6959122370. The cubic root of 201631364 is about 586.3892896465.

Adding to 201631364 its reverse (463136102), we get a palindrome (664767466).

The spelling of 201631364 in words is "two hundred one million, six hundred thirty-one thousand, three hundred sixty-four".