352216031 has 2 divisors, whose sum is σ = 352216032. Its totient is φ = 352216030.

The previous prime is 352216027. The next prime is 352216037. The reversal of 352216031 is 130612253.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 352216031 - 2² = 352216027 is a prime.

It is a super-2 number, since 2×352216031² = 248112264986785922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352215988 and 352216006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352216037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176108015 + 176108016.

It is an arithmetic number, because the mean of its divisors is an integer number (176108016).

Almost surely, 2^352216031 is an apocalyptic number.

352216031 is a deficient number, since it is larger than the sum of its proper divisors (1).

352216031 is an equidigital number, since it uses as much as digits as its factorization.

352216031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 352216031 is about 18767.4194017185. The cubic root of 352216031 is about 706.2140815941.

Adding to 352216031 its reverse (130612253), we get a palindrome (482828284).

The spelling of 352216031 in words is "three hundred fifty-two million, two hundred sixteen thousand, thirty-one".