1001302231 has 4 divisors (see below), whose sum is σ = 1010488600. Its totient is φ = 992115864.

The previous prime is 1001302219. The next prime is 1001302249. The reversal of 1001302231 is 1322031001.

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 1001302231 - 2⁵ = 1001302199 is a prime.

It is a super-2 number, since 2×1001302231² = 2005212315611154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001302331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593021 + ... + 4593238.

It is an arithmetic number, because the mean of its divisors is an integer number (252622150).

Almost surely, 2^1001302231 is an apocalyptic number.

1001302231 is a deficient number, since it is larger than the sum of its proper divisors (9186369).

1001302231 is an equidigital number, since it uses as much as digits as its factorization.

1001302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186368.

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

The square root of 1001302231 is about 31643.3599827831. The cubic root of 1001302231 is about 1000.4338887134.

Adding to 1001302231 its reverse (1322031001), we get a palindrome (2323333232).

The spelling of 1001302231 in words is "one billion, one million, three hundred two thousand, two hundred thirty-one".