1001123030231 has 2 divisors, whose sum is σ = 1001123030232. Its totient is φ = 1001123030230.

The previous prime is 1001123030179. The next prime is 1001123030261. The reversal of 1001123030231 is 1320303211001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001123030231 is a prime.

It is a super-2 number, since 2×1001123030231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001123030261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500561515115 + 500561515116.

It is an arithmetic number, because the mean of its divisors is an integer number (500561515116).

Almost surely, 2^{1001123030231} is an apocalyptic number.

1001123030231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001123030231 is an equidigital number, since it uses as much as digits as its factorization.

1001123030231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001123030231 its reverse (1320303211001), we get a palindrome (2321426241232).

The spelling of 1001123030231 in words is "one trillion, one billion, one hundred twenty-three million, thirty thousand, two hundred thirty-one".