201431661053 has 8 divisors (see below), whose sum is σ = 230739273408. Its totient is φ = 172256963904.

The previous prime is 201431661031. The next prime is 201431661077. The reversal of 201431661053 is 350166134102.

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 201431661053 - 2¹² = 201431656957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431661083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33225551 + ... + 33231612.

It is an arithmetic number, because the mean of its divisors is an integer number (28842409176).

Almost surely, 2^201431661053 is an apocalyptic number.

It is an amenable number.

201431661053 is a deficient number, since it is larger than the sum of its proper divisors (29307612355).

201431661053 is an equidigital number, since it uses as much as digits as its factorization.

201431661053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66457603.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 201431661053 its reverse (350166134102), we get a palindrome (551597795155).

The spelling of 201431661053 in words is "two hundred one billion, four hundred thirty-one million, six hundred sixty-one thousand, fifty-three".