2231706051 has 6 divisors (see below), whose sum is σ = 3223575420. Its totient is φ = 1487804028.

The previous prime is 2231706041. The next prime is 2231706067. The reversal of 2231706051 is 1506071322.

It is a happy number.

2231706051 is a `hidden beast` number, since 22 + 31 + 7 + 0 + 605 + 1 = 666.

It is not a de Polignac number, because 2231706051 - 2⁵ = 2231706019 is a prime.

It is a super-3 number, since 3×2231706051³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231706011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123983661 + ... + 123983678.

It is an arithmetic number, because the mean of its divisors is an integer number (537262570).

Almost surely, 2^2231706051 is an apocalyptic number.

2231706051 is a deficient number, since it is larger than the sum of its proper divisors (991869369).

2231706051 is a wasteful number, since it uses less digits than its factorization.

2231706051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247967345 (or 247967342 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2231706051 is about 47240.9361782766. The cubic root of 2231706051 is about 1306.8096424908.

Adding to 2231706051 its reverse (1506071322), we get a palindrome (3737777373).

The spelling of 2231706051 in words is "two billion, two hundred thirty-one million, seven hundred six thousand, fifty-one".