2312270257 has 8 divisors (see below), whose sum is σ = 2535685632. Its totient is φ = 2091056400.

The previous prime is 2312270251. The next prime is 2312270281. The reversal of 2312270257 is 7520722132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312270257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312270251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548178 + ... + 552379.

It is an arithmetic number, because the mean of its divisors is an integer number (316960704).

Almost surely, 2^2312270257 is an apocalyptic number.

It is an amenable number.

2312270257 is a deficient number, since it is larger than the sum of its proper divisors (223415375).

2312270257 is a wasteful number, since it uses less digits than its factorization.

2312270257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100759.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2312270257 is about 48086.0713408779. The cubic root of 2312270257 is about 1322.3493242098.

Adding to 2312270257 its reverse (7520722132), we get a palindrome (9832992389).

The spelling of 2312270257 in words is "two billion, three hundred twelve million, two hundred seventy thousand, two hundred fifty-seven".