2143315255 has 4 divisors (see below), whose sum is σ = 2571978312. Its totient is φ = 1714652200.

The previous prime is 2143315249. The next prime is 2143315277. The reversal of 2143315255 is 5525133412.

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

It is not a de Polignac number, because 2143315255 - 2¹³ = 2143307063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214331521 + ... + 214331530.

It is an arithmetic number, because the mean of its divisors is an integer number (642994578).

Almost surely, 2^2143315255 is an apocalyptic number.

2143315255 is a deficient number, since it is larger than the sum of its proper divisors (428663057).

2143315255 is an equidigital number, since it uses as much as digits as its factorization.

2143315255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428663056.

The product of its digits is 18000, while the sum is 31.

The square root of 2143315255 is about 46295.9529008746. The cubic root of 2143315255 is about 1289.3238559498.

Adding to 2143315255 its reverse (5525133412), we get a palindrome (7668448667).

The spelling of 2143315255 in words is "two billion, one hundred forty-three million, three hundred fifteen thousand, two hundred fifty-five".