13531202001 has 12 divisors (see below), whose sum is σ = 19600442628. Its totient is φ = 8995244544.

The previous prime is 13531201951. The next prime is 13531202029. The reversal of 13531202001 is 10020213531.

It can be written as a sum of positive squares in 2 ways, for example, as 9444924225 + 4086277776 = 97185^2 + 63924^2 .

It is not a de Polignac number, because 13531202001 - 2¹⁵ = 13531169233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531202801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2126380 + ... + 2132733.

It is an arithmetic number, because the mean of its divisors is an integer number (1633370219).

Almost surely, 2^13531202001 is an apocalyptic number.

It is an amenable number.

13531202001 is a deficient number, since it is larger than the sum of its proper divisors (6069240627).

13531202001 is a wasteful number, since it uses less digits than its factorization.

13531202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259472 (or 4259469 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 13531202001 its reverse (10020213531), we get a palindrome (23551415532).

The spelling of 13531202001 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, one".