1004140231 has 2 divisors, whose sum is σ = 1004140232. Its totient is φ = 1004140230.

The previous prime is 1004140223. The next prime is 1004140271. The reversal of 1004140231 is 1320414001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004140231 - 2³ = 1004140223 is a prime.

It is a super-2 number, since 2×1004140231² = 2016595207025466722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004140211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502070115 + 502070116.

It is an arithmetic number, because the mean of its divisors is an integer number (502070116).

Almost surely, 2^1004140231 is an apocalyptic number.

1004140231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004140231 is an equidigital number, since it uses as much as digits as its factorization.

1004140231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1004140231 is about 31688.1717838060. The cubic root of 1004140231 is about 1001.3781767563.

Adding to 1004140231 its reverse (1320414001), we get a palindrome (2324554232).

The spelling of 1004140231 in words is "one billion, four million, one hundred forty thousand, two hundred thirty-one".