231161363 has 2 divisors, whose sum is σ = 231161364. Its totient is φ = 231161362.

The previous prime is 231161341. The next prime is 231161377. The reversal of 231161363 is 363161132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231161363 - 2⁶ = 231161299 is a prime.

It is not a weakly prime, because it can be changed into another prime (231161383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115580681 + 115580682.

It is an arithmetic number, because the mean of its divisors is an integer number (115580682).

Almost surely, 2^231161363 is an apocalyptic number.

231161363 is a deficient number, since it is larger than the sum of its proper divisors (1).

231161363 is an equidigital number, since it uses as much as digits as its factorization.

231161363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 231161363 is about 15203.9916798188. The cubic root of 231161363 is about 613.7220808241.

The spelling of 231161363 in words is "two hundred thirty-one million, one hundred sixty-one thousand, three hundred sixty-three".