352306231 has 4 divisors (see below), whose sum is σ = 355938352. Its totient is φ = 348674112.

The previous prime is 352306223. The next prime is 352306277. The reversal of 352306231 is 132603253.

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 352306231 - 2³ = 352306223 is a prime.

It is a super-2 number, since 2×352306231² = 248239360802850722, 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 = 352306196 and 352306205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352306631) 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, 1815915 + ... + 1816108.

It is an arithmetic number, because the mean of its divisors is an integer number (88984588).

Almost surely, 2^352306231 is an apocalyptic number.

352306231 is a deficient number, since it is larger than the sum of its proper divisors (3632121).

352306231 is an equidigital number, since it uses as much as digits as its factorization.

352306231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632120.

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

The square root of 352306231 is about 18769.8223486532. The cubic root of 352306231 is about 706.2743619027.

Adding to 352306231 its reverse (132603253), we get a palindrome (484909484).

The spelling of 352306231 in words is "three hundred fifty-two million, three hundred six thousand, two hundred thirty-one".