2256311233210 has 8 divisors (see below), whose sum is σ = 4061360219796. Its totient is φ = 902524493280.

The previous prime is 2256311233207. The next prime is 2256311233243. The reversal of 2256311233210 is 123321136522.

It can be written as a sum of positive squares in 2 ways, for example, as 2220728824521 + 35582408689 = 1490211^2 + 188633^2 .

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

It is a super-2 number, since 2×2256311233210² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112815561651 + ... + 112815561670.

Almost surely, 2^{2256311233210} is an apocalyptic number.

2256311233210 is a deficient number, since it is larger than the sum of its proper divisors (1805048986586).

2256311233210 is a wasteful number, since it uses less digits than its factorization.

2256311233210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225631123328.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 2256311233210 its reverse (123321136522), we get a palindrome (2379632369732).

The spelling of 2256311233210 in words is "two trillion, two hundred fifty-six billion, three hundred eleven million, two hundred thirty-three thousand, two hundred ten".