234312133021 has 2 divisors, whose sum is σ = 234312133022. Its totient is φ = 234312133020.

The previous prime is 234312132991. The next prime is 234312133189. The reversal of 234312133021 is 120331213432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227924127396 + 6388005625 = 477414^2 + 79925^2 .

It is a cyclic number.

It is not a de Polignac number, because 234312133021 - 2¹³ = 234312124829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234312137021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117156066510 + 117156066511.

It is an arithmetic number, because the mean of its divisors is an integer number (117156066511).

Almost surely, 2^234312133021 is an apocalyptic number.

It is an amenable number.

234312133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

234312133021 is an equidigital number, since it uses as much as digits as its factorization.

234312133021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 234312133021 its reverse (120331213432), we get a palindrome (354643346453).

The spelling of 234312133021 in words is "two hundred thirty-four billion, three hundred twelve million, one hundred thirty-three thousand, twenty-one".