2566101231 has 6 divisors (see below), whose sum is σ = 3706590680. Its totient is φ = 1710734148.

The previous prime is 2566101211. The next prime is 2566101269. The reversal of 2566101231 is 1321016652.

2566101231 is a `hidden beast` number, since 2 + 5 + 6 + 610 + 12 + 31 = 666.

It is not a de Polignac number, because 2566101231 - 2⁵ = 2566101199 is a prime.

It is a super-2 number, since 2×2566101231² = 13169751055479430722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2566101195 and 2566101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566101211) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 142561171 + ... + 142561188.

Almost surely, 2^2566101231 is an apocalyptic number.

2566101231 is a deficient number, since it is larger than the sum of its proper divisors (1140489449).

2566101231 is a wasteful number, since it uses less digits than its factorization.

2566101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285122365 (or 285122362 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2566101231 is about 50656.6997641970. The cubic root of 2566101231 is about 1369.0666616065.

Adding to 2566101231 its reverse (1321016652), we get a palindrome (3887117883).

The spelling of 2566101231 in words is "two billion, five hundred sixty-six million, one hundred one thousand, two hundred thirty-one".