3030142861 has 16 divisors (see below), whose sum is σ = 3167590320. Its totient is φ = 2896058880.

The previous prime is 3030142837. The next prime is 3030142873. The reversal of 3030142861 is 1682410303.

It can be written as a sum of positive squares in 8 ways, for example, as 14485636 + 3015657225 = 3806^2 + 54915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3030142861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030142811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514071 + ... + 519931.

It is an arithmetic number, because the mean of its divisors is an integer number (197974395).

Almost surely, 2^3030142861 is an apocalyptic number.

It is an amenable number.

3030142861 is a deficient number, since it is larger than the sum of its proper divisors (137447459).

3030142861 is a wasteful number, since it uses less digits than its factorization.

3030142861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3030142861 is about 55046.7334271526. The cubic root of 3030142861 is about 1447.0638740670.

The spelling of 3030142861 in words is "three billion, thirty million, one hundred forty-two thousand, eight hundred sixty-one".