352630231 has 4 divisors (see below), whose sum is σ = 356878872. Its totient is φ = 348381592.

The previous prime is 352630219. The next prime is 352630247. The reversal of 352630231 is 132036253.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 352630231 - 2¹¹ = 352628183 is a prime.

It is a super-2 number, since 2×352630231² = 248696159630226722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352630196 and 352630205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352630931) 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, 2124196 + ... + 2124361.

It is an arithmetic number, because the mean of its divisors is an integer number (89219718).

Almost surely, 2^352630231 is an apocalyptic number.

352630231 is a deficient number, since it is larger than the sum of its proper divisors (4248641).

352630231 is an equidigital number, since it uses as much as digits as its factorization.

352630231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248640.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 352630231 is about 18778.4512407174. The cubic root of 352630231 is about 706.4908050232.

Adding to 352630231 its reverse (132036253), we get a palindrome (484666484).

The spelling of 352630231 in words is "three hundred fifty-two million, six hundred thirty thousand, two hundred thirty-one".