231100453 has 2 divisors, whose sum is σ = 231100454. Its totient is φ = 231100452.

The previous prime is 231100433. The next prime is 231100459. The reversal of 231100453 is 354001132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209728324 + 21372129 = 14482^2 + 4623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231100453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231100453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231100459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550226 + 115550227.

It is an arithmetic number, because the mean of its divisors is an integer number (115550227).

Almost surely, 2^231100453 is an apocalyptic number.

It is an amenable number.

231100453 is a deficient number, since it is larger than the sum of its proper divisors (1).

231100453 is an equidigital number, since it uses as much as digits as its factorization.

231100453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 231100453 is about 15201.9884554620. The cubic root of 231100453 is about 613.6681717347.

Adding to 231100453 its reverse (354001132), we get a palindrome (585101585).

The spelling of 231100453 in words is "two hundred thirty-one million, one hundred thousand, four hundred fifty-three".