231533414322361 has 2 divisors, whose sum is σ = 231533414322362. Its totient is φ = 231533414322360.

The previous prime is 231533414322347. The next prime is 231533414322401. The reversal of 231533414322361 is 163223414335132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217390136152336 + 14143278170025 = 14744156^2 + 3760755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231533414322361 is a prime.

It is a super-5 number, since 5×231533414322361⁵ (a number of 73 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (231533414332361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115766707161180 + 115766707161181.

It is an arithmetic number, because the mean of its divisors is an integer number (115766707161181).

Almost surely, 2^{231533414322361} is an apocalyptic number.

It is an amenable number.

231533414322361 is a deficient number, since it is larger than the sum of its proper divisors (1).

231533414322361 is an equidigital number, since it uses as much as digits as its factorization.

231533414322361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 43.

Adding to 231533414322361 its reverse (163223414335132), we get a palindrome (394756828657493).

The spelling of 231533414322361 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred fourteen million, three hundred twenty-two thousand, three hundred sixty-one".