2315514143 has 4 divisors (see below), whose sum is σ = 2315612640. Its totient is φ = 2315415648.

The previous prime is 2315514109. The next prime is 2315514151. The reversal of 2315514143 is 3414155132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2315514143 - 2⁸ = 2315513887 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 (2315516143) 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, 8903 + ... + 68631.

It is an arithmetic number, because the mean of its divisors is an integer number (578903160).

Almost surely, 2^2315514143 is an apocalyptic number.

2315514143 is a deficient number, since it is larger than the sum of its proper divisors (98497).

2315514143 is an equidigital number, since it uses as much as digits as its factorization.

2315514143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98496.

The product of its digits is 7200, while the sum is 29.

The square root of 2315514143 is about 48119.7895153335. The cubic root of 2315514143 is about 1322.9674102763.

Adding to 2315514143 its reverse (3414155132), we get a palindrome (5729669275).

The spelling of 2315514143 in words is "two billion, three hundred fifteen million, five hundred fourteen thousand, one hundred forty-three".