231161701 has 2 divisors, whose sum is σ = 231161702. Its totient is φ = 231161700.

The previous prime is 231161677. The next prime is 231161719. The reversal of 231161701 is 107161132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231009601 + 152100 = 15199^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 231161701 - 2⁵ = 231161669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231161101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115580850 + 115580851.

It is an arithmetic number, because the mean of its divisors is an integer number (115580851).

Almost surely, 2^231161701 is an apocalyptic number.

It is an amenable number.

231161701 is a deficient number, since it is larger than the sum of its proper divisors (1).

231161701 is an equidigital number, since it uses as much as digits as its factorization.

231161701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 231161701 is about 15204.0027953168. The cubic root of 231161701 is about 613.7223799484.

The spelling of 231161701 in words is "two hundred thirty-one million, one hundred sixty-one thousand, seven hundred one".