231033301132121 has 2 divisors, whose sum is σ = 231033301132122. Its totient is φ = 231033301132120.

The previous prime is 231033301132103. The next prime is 231033301132237. The reversal of 231033301132121 is 121231103330132.

231033301132121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230658212254096 + 375088878025 = 15187436^2 + 612445^2 .

It is a cyclic number.

It is not a de Polignac number, because 231033301132121 - 2³⁴ = 231016121262937 is a prime.

It is not a weakly prime, because it can be changed into another prime (231033301138121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516650566060 + 115516650566061.

It is an arithmetic number, because the mean of its divisors is an integer number (115516650566061).

Almost surely, 2^{231033301132121} is an apocalyptic number.

It is an amenable number.

231033301132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

231033301132121 is an equidigital number, since it uses as much as digits as its factorization.

231033301132121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231033301132121 its reverse (121231103330132), we get a palindrome (352264404462253).

The spelling of 231033301132121 in words is "two hundred thirty-one trillion, thirty-three billion, three hundred one million, one hundred thirty-two thousand, one hundred twenty-one".