1001032231 has 2 divisors, whose sum is σ = 1001032232. Its totient is φ = 1001032230.

The previous prime is 1001032223. The next prime is 1001032247. The reversal of 1001032231 is 1322301001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001032231 - 2³ = 1001032223 is a prime.

It is a super-2 number, since 2×1001032231² = 2004131055001674722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001032031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500516115 + 500516116.

It is an arithmetic number, because the mean of its divisors is an integer number (500516116).

Almost surely, 2^1001032231 is an apocalyptic number.

1001032231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001032231 is an equidigital number, since it uses as much as digits as its factorization.

1001032231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1001032231 is about 31639.0933972514. The cubic root of 1001032231 is about 1000.3439586789.

Adding to 1001032231 its reverse (1322301001), we get a palindrome (2323333232).

The spelling of 1001032231 in words is "one billion, one million, thirty-two thousand, two hundred thirty-one".