1001000231 has 24 divisors (see below), whose sum is σ = 1264604544. Its totient is φ = 769757040.

The previous prime is 1001000173. The next prime is 1001000233. The reversal of 1001000231 is 1320001001.

It is not a de Polignac number, because 1001000231 - 2¹⁴ = 1000983847 is a prime.

It is a super-2 number, since 2×1001000231² = 2004002924924106722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001000233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479516 + ... + 481598.

It is an arithmetic number, because the mean of its divisors is an integer number (52691856).

Almost surely, 2^1001000231 is an apocalyptic number.

1001000231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001000231 is a deficient number, since it is larger than the sum of its proper divisors (263604313).

1001000231 is an equidigital number, since it uses as much as digits as its factorization.

1001000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1001000231 is about 31638.5876897184. The cubic root of 1001000231 is about 1000.3332992326. Note that the first 3 decimals are identical.

Adding to 1001000231 its reverse (1320001001), we get a palindrome (2321001232).

The spelling of 1001000231 in words is "one billion, one million, two hundred thirty-one", and thus it is an aban number.