2312715047 has 4 divisors (see below), whose sum is σ = 2312848440. Its totient is φ = 2312581656.

The previous prime is 2312715043. The next prime is 2312715059. The reversal of 2312715047 is 7405172132.

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 2312715047 - 2² = 2312715043 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 (2312715043) 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 3 ways as a sum of consecutive naturals, for example, 35972 + ... + 76937.

It is an arithmetic number, because the mean of its divisors is an integer number (578212110).

Almost surely, 2^2312715047 is an apocalyptic number.

2312715047 is a deficient number, since it is larger than the sum of its proper divisors (133393).

2312715047 is a wasteful number, since it uses less digits than its factorization.

2312715047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133392.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2312715047 is about 48090.6960544345. The cubic root of 2312715047 is about 1322.4341081351.

Adding to 2312715047 its reverse (7405172132), we get a palindrome (9717887179).

The spelling of 2312715047 in words is "two billion, three hundred twelve million, seven hundred fifteen thousand, forty-seven".