202131241001 has 4 divisors (see below), whose sum is σ = 202228002900. Its totient is φ = 202034479104.

The previous prime is 202131240959. The next prime is 202131241009. The reversal of 202131241001 is 100142131202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120506179600 + 81625061401 = 347140^2 + 285701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202131241001 is a prime.

It is a super-3 number, since 3×202131241001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202131241009) 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 3 ways as a sum of consecutive naturals, for example, 48377816 + ... + 48381993.

It is an arithmetic number, because the mean of its divisors is an integer number (50557000725).

Almost surely, 2^202131241001 is an apocalyptic number.

It is an amenable number.

202131241001 is a deficient number, since it is larger than the sum of its proper divisors (96761899).

202131241001 is an equidigital number, since it uses as much as digits as its factorization.

202131241001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96761898.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202131241001 its reverse (100142131202), we get a palindrome (302273372203).

The spelling of 202131241001 in words is "two hundred two billion, one hundred thirty-one million, two hundred forty-one thousand, one".