23131000201 has 4 divisors (see below), whose sum is σ = 23148835732. Its totient is φ = 23113164672.

The previous prime is 23131000177. The next prime is 23131000223. The reversal of 23131000201 is 10200013132.

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 11407308025 + 11723692176 = 106805^2 + 108276^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131000201 - 2¹¹ = 23130998153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131000901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8915820 + ... + 8918413.

It is an arithmetic number, because the mean of its divisors is an integer number (5787208933).

Almost surely, 2^23131000201 is an apocalyptic number.

It is an amenable number.

23131000201 is a deficient number, since it is larger than the sum of its proper divisors (17835531).

23131000201 is a wasteful number, since it uses less digits than its factorization.

23131000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17835530.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23131000201 its reverse (10200013132), we get a palindrome (33331013333).

The spelling of 23131000201 in words is "twenty-three billion, one hundred thirty-one million, two hundred one", and thus it is an aban number.