130333021 has 32 divisors (see below), whose sum is σ = 169279488. Its totient is φ = 97571520.

The previous prime is 130333009. The next prime is 130333031. The reversal of 130333021 is 120333031.

It is a cyclic number.

It is not a de Polignac number, because 130333021 - 2¹³ = 130324829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130332986 and 130333004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130333031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132096 + ... + 133078.

It is an arithmetic number, because the mean of its divisors is an integer number (5289984).

Almost surely, 2^130333021 is an apocalyptic number.

It is an amenable number.

130333021 is a deficient number, since it is larger than the sum of its proper divisors (38946467).

130333021 is a wasteful number, since it uses less digits than its factorization.

130333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

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

The square root of 130333021 is about 11416.3488471577. The cubic root of 130333021 is about 507.0119014722.

Adding to 130333021 its reverse (120333031), we get a palindrome (250666052).

The spelling of 130333021 in words is "one hundred thirty million, three hundred thirty-three thousand, twenty-one".