2231403342361 has 2 divisors, whose sum is σ = 2231403342362. Its totient is φ = 2231403342360.

The previous prime is 2231403342359. The next prime is 2231403342409. The reversal of 2231403342361 is 1632433041322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1838830921225 + 392572421136 = 1356035^2 + 626556^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231403342361 - 2¹ = 2231403342359 is a prime.

It is a super-3 number, since 3×2231403342361³ (a number of 38 digits) contains 333 as substring.

Together with 2231403342359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2231403342341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115701671180 + 1115701671181.

It is an arithmetic number, because the mean of its divisors is an integer number (1115701671181).

Almost surely, 2^{2231403342361} is an apocalyptic number.

It is an amenable number.

2231403342361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231403342361 is an equidigital number, since it uses as much as digits as its factorization.

2231403342361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 2231403342361 its reverse (1632433041322), we get a palindrome (3863836383683).

The spelling of 2231403342361 in words is "two trillion, two hundred thirty-one billion, four hundred three million, three hundred forty-two thousand, three hundred sixty-one".