201013231553 has 8 divisors (see below), whose sum is σ = 201281570280. Its totient is φ = 200744956800.

The previous prime is 201013231541. The next prime is 201013231567. The reversal of 201013231553 is 355132310102.

It can be written as a sum of positive squares in 4 ways, for example, as 7609421824 + 193403809729 = 87232^2 + 439777^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201013231553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201013231453) 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, 12510701 + ... + 12526757.

It is an arithmetic number, because the mean of its divisors is an integer number (25160196285).

Almost surely, 2^201013231553 is an apocalyptic number.

It is an amenable number.

201013231553 is a deficient number, since it is larger than the sum of its proper divisors (268338727).

201013231553 is a wasteful number, since it uses less digits than its factorization.

201013231553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31987.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 201013231553 its reverse (355132310102), we get a palindrome (556145541655).

The spelling of 201013231553 in words is "two hundred one billion, thirteen million, two hundred thirty-one thousand, five hundred fifty-three".