3112430661 has 6 divisors (see below), whose sum is σ = 4495733190. Its totient is φ = 2074953768.

The previous prime is 3112430647. The next prime is 3112430677. The reversal of 3112430661 is 1660342113.

3112430661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2995920225 + 116510436 = 54735^2 + 10794^2 .

It is not a de Polignac number, because 3112430661 - 2³⁰ = 2038688837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112430681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172912806 + ... + 172912823.

It is an arithmetic number, because the mean of its divisors is an integer number (749288865).

Almost surely, 2^3112430661 is an apocalyptic number.

It is an amenable number.

3112430661 is a deficient number, since it is larger than the sum of its proper divisors (1383302529).

3112430661 is a wasteful number, since it uses less digits than its factorization.

3112430661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345825635 (or 345825632 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3112430661 is about 55789.1625766152. The cubic root of 3112430661 is about 1460.0460767656.

Adding to 3112430661 its reverse (1660342113), we get a palindrome (4772772774).

The spelling of 3112430661 in words is "three billion, one hundred twelve million, four hundred thirty thousand, six hundred sixty-one".