2131230001 has 4 divisors (see below), whose sum is σ = 2163039472. Its totient is φ = 2099420532.

The previous prime is 2131229983. The next prime is 2131230089. The reversal of 2131230001 is 1000321312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2131230001 - 2²³ = 2122841393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131230701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15904635 + ... + 15904768.

It is an arithmetic number, because the mean of its divisors is an integer number (540759868).

Almost surely, 2^2131230001 is an apocalyptic number.

It is an amenable number.

2131230001 is a deficient number, since it is larger than the sum of its proper divisors (31809471).

2131230001 is an equidigital number, since it uses as much as digits as its factorization.

2131230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31809470.

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

The square root of 2131230001 is about 46165.2466797265. The cubic root of 2131230001 is about 1286.8959684739.

Adding to 2131230001 its reverse (1000321312), we get a palindrome (3131551313).

The spelling of 2131230001 in words is "two billion, one hundred thirty-one million, two hundred thirty thousand, one".