231481763 has 8 divisors (see below), whose sum is σ = 236167920. Its totient is φ = 226824480.

The previous prime is 231481739. The next prime is 231481787. The reversal of 231481763 is 367184132.

It is an interprime number because it is at equal distance from previous prime (231481739) and next prime (231481787).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231481763 - 2⁸ = 231481507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231481703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9356 + ... + 23462.

It is an arithmetic number, because the mean of its divisors is an integer number (29520990).

Almost surely, 2^231481763 is an apocalyptic number.

231481763 is a deficient number, since it is larger than the sum of its proper divisors (4686157).

231481763 is a wasteful number, since it uses less digits than its factorization.

231481763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437.

The product of its digits is 24192, while the sum is 35.

The square root of 231481763 is about 15214.5247378944. The cubic root of 231481763 is about 614.0054986828.

The spelling of 231481763 in words is "two hundred thirty-one million, four hundred eighty-one thousand, seven hundred sixty-three".