1000352231 has 2 divisors, whose sum is σ = 1000352232. Its totient is φ = 1000352230.

The previous prime is 1000352207. The next prime is 1000352251. The reversal of 1000352231 is 1322530001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000352231 is a prime.

It is a super-2 number, since 2×1000352231² = 2001409172133354722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000352201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500176115 + 500176116.

It is an arithmetic number, because the mean of its divisors is an integer number (500176116).

Almost surely, 2^1000352231 is an apocalyptic number.

1000352231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000352231 is an equidigital number, since it uses as much as digits as its factorization.

1000352231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1000352231 is about 31628.3453724661. The cubic root of 1000352231 is about 1000.1173965508.

Adding to 1000352231 its reverse (1322530001), we get a palindrome (2322882232).

The spelling of 1000352231 in words is "one billion, three hundred fifty-two thousand, two hundred thirty-one".