231300733 has 2 divisors, whose sum is σ = 231300734. Its totient is φ = 231300732.

The previous prime is 231300697. The next prime is 231300739. The reversal of 231300733 is 337003132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213685924 + 17614809 = 14618^2 + 4197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231300733 is a prime.

It is equal to p_12710209 and since 231300733 and 12710209 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231300739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650366 + 115650367.

It is an arithmetic number, because the mean of its divisors is an integer number (115650367).

Almost surely, 2^231300733 is an apocalyptic number.

It is an amenable number.

231300733 is a deficient number, since it is larger than the sum of its proper divisors (1).

231300733 is an equidigital number, since it uses as much as digits as its factorization.

231300733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 231300733 is about 15208.5743250313. The cubic root of 231300733 is about 613.8453962161.

Adding to 231300733 its reverse (337003132), we get a palindrome (568303865).

The spelling of 231300733 in words is "two hundred thirty-one million, three hundred thousand, seven hundred thirty-three".