2231001361 has 2 divisors, whose sum is σ = 2231001362. Its totient is φ = 2231001360.

The previous prime is 2231001277. The next prime is 2231001391. The reversal of 2231001361 is 1631001322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2084470336 + 146531025 = 45656^2 + 12105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231001361 is a prime.

It is a super-3 number, since 3×2231001361³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231001391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115500680 + 1115500681.

It is an arithmetic number, because the mean of its divisors is an integer number (1115500681).

Almost surely, 2^2231001361 is an apocalyptic number.

It is an amenable number.

2231001361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231001361 is an equidigital number, since it uses as much as digits as its factorization.

2231001361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2231001361 is about 47233.4771216348. The cubic root of 2231001361 is about 1306.6720806717.

Adding to 2231001361 its reverse (1631001322), we get a palindrome (3862002683).

The spelling of 2231001361 in words is "two billion, two hundred thirty-one million, one thousand, three hundred sixty-one".