3130021033 has 4 divisors (see below), whose sum is σ = 3266108928. Its totient is φ = 2993933140.

The previous prime is 3130021021. The next prime is 3130021039. The reversal of 3130021033 is 3301200313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3301200313 = 11197 ⋅294829.

It is a cyclic number.

It is not a de Polignac number, because 3130021033 - 2¹³ = 3130012841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130020998 and 3130021016.

It is not an unprimeable number, because it can be changed into a prime (3130021039) 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, 68043913 + ... + 68043958.

It is an arithmetic number, because the mean of its divisors is an integer number (816527232).

Almost surely, 2^3130021033 is an apocalyptic number.

It is an amenable number.

3130021033 is a deficient number, since it is larger than the sum of its proper divisors (136087895).

3130021033 is a wasteful number, since it uses less digits than its factorization.

3130021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136087894.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3130021033 is about 55946.5908970332. The cubic root of 3130021033 is about 1462.7914682237.

Adding to 3130021033 its reverse (3301200313), we get a palindrome (6431221346).

The spelling of 3130021033 in words is "three billion, one hundred thirty million, twenty-one thousand, thirty-three".