3020042831 has 4 divisors (see below), whose sum is σ = 3252353832. Its totient is φ = 2787731832.

The previous prime is 3020042827. The next prime is 3020042849. The reversal of 3020042831 is 1382400203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1382400203 = 17 ⋅81317659.

It is a cyclic number.

It is not a de Polignac number, because 3020042831 - 2² = 3020042827 is a prime.

It is a super-3 number, since 3×3020042831³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3020042797 and 3020042806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020048831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116155481 + ... + 116155506.

It is an arithmetic number, because the mean of its divisors is an integer number (813088458).

Almost surely, 2^3020042831 is an apocalyptic number.

3020042831 is a deficient number, since it is larger than the sum of its proper divisors (232311001).

3020042831 is a wasteful number, since it uses less digits than its factorization.

3020042831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232311000.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3020042831 is about 54954.9163496770. The cubic root of 3020042831 is about 1445.4543066911.

The spelling of 3020042831 in words is "three billion, twenty million, forty-two thousand, eight hundred thirty-one".