1233231101 has 2 divisors, whose sum is σ = 1233231102. Its totient is φ = 1233231100.

The previous prime is 1233231071. The next prime is 1233231107. The reversal of 1233231101 is 1011323321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149142201 + 84088900 = 33899^2 + 9170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233231101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1233231101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616615550 + 616615551.

It is an arithmetic number, because the mean of its divisors is an integer number (616615551).

Almost surely, 2^1233231101 is an apocalyptic number.

It is an amenable number.

1233231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233231101 is an equidigital number, since it uses as much as digits as its factorization.

1233231101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1233231101 is about 35117.3902931297. The cubic root of 1233231101 is about 1072.3786431258.

Adding to 1233231101 its reverse (1011323321), we get a palindrome (2244554422).

The spelling of 1233231101 in words is "one billion, two hundred thirty-three million, two hundred thirty-one thousand, one hundred one".