2153143231 has 8 divisors (see below), whose sum is σ = 2186634528. Its totient is φ = 2119740000.

The previous prime is 2153143199. The next prime is 2153143247. The reversal of 2153143231 is 1323413512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2153143231 - 2⁵ = 2153143199 is a prime.

It is a super-2 number, since 2×2153143231² = 9272051546402238722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153143196 and 2153143205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153143261) 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 7 ways as a sum of consecutive naturals, for example, 28141 + ... + 71401.

It is an arithmetic number, because the mean of its divisors is an integer number (273329316).

Almost surely, 2^2153143231 is an apocalyptic number.

2153143231 is a deficient number, since it is larger than the sum of its proper divisors (33491297).

2153143231 is an equidigital number, since it uses as much as digits as its factorization.

2153143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44033.

The product of its digits is 2160, while the sum is 25.

The square root of 2153143231 is about 46401.9744299744. The cubic root of 2153143231 is about 1291.2915436486.

Adding to 2153143231 its reverse (1323413512), we get a palindrome (3476556743).

The spelling of 2153143231 in words is "two billion, one hundred fifty-three million, one hundred forty-three thousand, two hundred thirty-one".