32130030281 has 2 divisors, whose sum is σ = 32130030282. Its totient is φ = 32130030280.

The previous prime is 32130030269. The next prime is 32130030287. The reversal of 32130030281 is 18203003123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21604296256 + 10525734025 = 146984^2 + 102595^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130030281 - 2⁶ = 32130030217 is a prime.

It is a super-2 number, since 2×32130030281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32130030287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065015140 + 16065015141.

It is an arithmetic number, because the mean of its divisors is an integer number (16065015141).

Almost surely, 2^32130030281 is an apocalyptic number.

It is an amenable number.

32130030281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130030281 is an equidigital number, since it uses as much as digits as its factorization.

32130030281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 32130030281 in words is "thirty-two billion, one hundred thirty million, thirty thousand, two hundred eighty-one".