3020130091 has 4 divisors (see below), whose sum is σ = 3294687384. Its totient is φ = 2745572800.

The previous prime is 3020130083. The next prime is 3020130097. The reversal of 3020130091 is 1900310203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3020130091 - 2³ = 3020130083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020130097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137278630 + ... + 137278651.

It is an arithmetic number, because the mean of its divisors is an integer number (823671846).

Almost surely, 2^3020130091 is an apocalyptic number.

3020130091 is a deficient number, since it is larger than the sum of its proper divisors (274557293).

3020130091 is a wasteful number, since it uses less digits than its factorization.

3020130091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274557292.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3020130091 is about 54955.7102674508. The cubic root of 3020130091 is about 1445.4682280309.

Adding to 3020130091 its reverse (1900310203), we get a palindrome (4920440294).

The spelling of 3020130091 in words is "three billion, twenty million, one hundred thirty thousand, ninety-one".