231032653 has 2 divisors, whose sum is σ = 231032654. Its totient is φ = 231032652.

The previous prime is 231032639. The next prime is 231032657. The reversal of 231032653 is 356230132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230371684 + 660969 = 15178^2 + 813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231032653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231032657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516326 + 115516327.

It is an arithmetic number, because the mean of its divisors is an integer number (115516327).

Almost surely, 2^231032653 is an apocalyptic number.

It is an amenable number.

231032653 is a deficient number, since it is larger than the sum of its proper divisors (1).

231032653 is an equidigital number, since it uses as much as digits as its factorization.

231032653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 231032653 is about 15199.7583204471. The cubic root of 231032653 is about 613.6081534310.

Adding to 231032653 its reverse (356230132), we get a palindrome (587262785).

The spelling of 231032653 in words is "two hundred thirty-one million, thirty-two thousand, six hundred fifty-three".