231101873 has 2 divisors, whose sum is σ = 231101874. Its totient is φ = 231101872.

The previous prime is 231101863. The next prime is 231101887. The reversal of 231101873 is 378101132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171688609 + 59413264 = 13103^2 + 7708^2 .

It is a cyclic number.

It is not a de Polignac number, because 231101873 - 2¹⁴ = 231085489 is a prime.

It is not a weakly prime, because it can be changed into another prime (231101863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550936 + 115550937.

It is an arithmetic number, because the mean of its divisors is an integer number (115550937).

Almost surely, 2^231101873 is an apocalyptic number.

It is an amenable number.

231101873 is a deficient number, since it is larger than the sum of its proper divisors (1).

231101873 is an equidigital number, since it uses as much as digits as its factorization.

231101873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 231101873 is about 15202.0351598067. The cubic root of 231101873 is about 613.6694286297.

The spelling of 231101873 in words is "two hundred thirty-one million, one hundred one thousand, eight hundred seventy-three".