2315213143 has 4 divisors (see below), whose sum is σ = 2415874608. Its totient is φ = 2214551680.

The previous prime is 2315213141. The next prime is 2315213149. The reversal of 2315213143 is 3413125132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2315213143 - 2¹ = 2315213141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315213141) 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, 50330698 + ... + 50330743.

It is an arithmetic number, because the mean of its divisors is an integer number (603968652).

Almost surely, 2^2315213143 is an apocalyptic number.

2315213143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2315213143 is a deficient number, since it is larger than the sum of its proper divisors (100661465).

2315213143 is a wasteful number, since it uses less digits than its factorization.

2315213143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100661464.

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

The square root of 2315213143 is about 48116.6618023320. The cubic root of 2315213143 is about 1322.9100824113.

Adding to 2315213143 its reverse (3413125132), we get a palindrome (5728338275).

The spelling of 2315213143 in words is "two billion, three hundred fifteen million, two hundred thirteen thousand, one hundred forty-three".