231161368 has 16 divisors (see below), whose sum is σ = 434324880. Its totient is φ = 115341408.

The previous prime is 231161363. The next prime is 231161377. The reversal of 231161368 is 863161132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231161363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25771 + ... + 33562.

It is an arithmetic number, because the mean of its divisors is an integer number (27145305).

Almost surely, 2^231161368 is an apocalyptic number.

It is an amenable number.

231161368 is a deficient number, since it is larger than the sum of its proper divisors (203163512).

231161368 is a wasteful number, since it uses less digits than its factorization.

231161368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59826 (or 59822 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 231161368 is about 15203.9918442493. The cubic root of 231161368 is about 613.7220852490.

The spelling of 231161368 in words is "two hundred thirty-one million, one hundred sixty-one thousand, three hundred sixty-eight".