32130317 has 4 divisors (see below), whose sum is σ = 32200476. Its totient is φ = 32060160.

The previous prime is 32130277. The next prime is 32130337. The reversal of 32130317 is 71303123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71303123 = 853 ⋅83591.

It can be written as a sum of positive squares in 2 ways, for example, as 25060036 + 7070281 = 5006^2 + 2659^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130317 - 2¹² = 32126221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130337) 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, 34388 + ... + 35309.

It is an arithmetic number, because the mean of its divisors is an integer number (8050119).

Almost surely, 2^32130317 is an apocalyptic number.

It is an amenable number.

32130317 is a deficient number, since it is larger than the sum of its proper divisors (70159).

32130317 is an equidigital number, since it uses as much as digits as its factorization.

32130317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70158.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 32130317 is about 5668.3610506036. The cubic root of 32130317 is about 317.9105961504.

The spelling of 32130317 in words is "thirty-two million, one hundred thirty thousand, three hundred seventeen".