231244252001 has 12 divisors (see below), whose sum is σ = 269012580948. Its totient is φ = 198198921312.

The previous prime is 231244251971. The next prime is 231244252027. The reversal of 231244252001 is 100252442132.

It can be written as a sum of positive squares in 2 ways, for example, as 22559739601 + 208684512400 = 150199^2 + 456820^2 .

It is not a de Polignac number, because 231244252001 - 2²⁶ = 231177143137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231244252061) 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, 901235 + ... + 1129031.

It is an arithmetic number, because the mean of its divisors is an integer number (22417715079).

Almost surely, 2^231244252001 is an apocalyptic number.

It is an amenable number.

231244252001 is a deficient number, since it is larger than the sum of its proper divisors (37768328947).

231244252001 is a wasteful number, since it uses less digits than its factorization.

231244252001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248528 (or 248521 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 231244252001 its reverse (100252442132), we get a palindrome (331496694133).

The spelling of 231244252001 in words is "two hundred thirty-one billion, two hundred forty-four million, two hundred fifty-two thousand, one".