2130032421 has 12 divisors (see below), whose sum is σ = 3356414880. Its totient is φ = 1290928680.

The previous prime is 2130032407. The next prime is 2130032431. The reversal of 2130032421 is 1242300312.

2130032421 is a `hidden beast` number, since 21 + 300 + 324 + 21 = 666.

It is not a de Polignac number, because 2130032421 - 2¹⁹ = 2129508133 is a prime.

It is a super-2 number, since 2×2130032421² = 9074076229022242482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2130032394 and 2130032403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130032431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10757641 + ... + 10757838.

It is an arithmetic number, because the mean of its divisors is an integer number (279701240).

Almost surely, 2^2130032421 is an apocalyptic number.

It is an amenable number.

2130032421 is a deficient number, since it is larger than the sum of its proper divisors (1226382459).

2130032421 is a wasteful number, since it uses less digits than its factorization.

2130032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21515496 (or 21515493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2130032421 is about 46152.2742776561. The cubic root of 2130032421 is about 1286.6548792698.

Adding to 2130032421 its reverse (1242300312), we get a palindrome (3372332733).

The spelling of 2130032421 in words is "two billion, one hundred thirty million, thirty-two thousand, four hundred twenty-one".