2315143155 has 32 divisors (see below), whose sum is σ = 4074061824. Its totient is φ = 1115508096.

The previous prime is 2315143133. The next prime is 2315143163. The reversal of 2315143155 is 5513415132.

It is not a de Polignac number, because 2315143155 - 2¹² = 2315139059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117139 + ... + 135468.

It is an arithmetic number, because the mean of its divisors is an integer number (127314432).

Almost surely, 2^2315143155 is an apocalyptic number.

2315143155 is a deficient number, since it is larger than the sum of its proper divisors (1758918669).

2315143155 is a wasteful number, since it uses less digits than its factorization.

2315143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252675.

The product of its digits is 9000, while the sum is 30.

The square root of 2315143155 is about 48115.9345227753. The cubic root of 2315143155 is about 1322.8967519232.

Adding to 2315143155 its reverse (5513415132), we get a palindrome (7828558287).

The spelling of 2315143155 in words is "two billion, three hundred fifteen million, one hundred forty-three thousand, one hundred fifty-five".