231041691043 has 2 divisors, whose sum is σ = 231041691044. Its totient is φ = 231041691042.

The previous prime is 231041691031. The next prime is 231041691103. The reversal of 231041691043 is 340196140132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231041691043 - 2⁹ = 231041690531 is a prime.

It is not a weakly prime, because it can be changed into another prime (231041691343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115520845521 + 115520845522.

It is an arithmetic number, because the mean of its divisors is an integer number (115520845522).

Almost surely, 2^231041691043 is an apocalyptic number.

231041691043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231041691043 is an equidigital number, since it uses as much as digits as its factorization.

231041691043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 231041691043 in words is "two hundred thirty-one billion, forty-one million, six hundred ninety-one thousand, forty-three".