2013231361 has 2 divisors, whose sum is σ = 2013231362. Its totient is φ = 2013231360.

The previous prime is 2013231313. The next prime is 2013231397. The reversal of 2013231361 is 1631323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071907600 + 941323761 = 32740^2 + 30681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013231361 is a prime.

It is a super-3 number, since 3×2013231361³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2013231461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006615680 + 1006615681.

It is an arithmetic number, because the mean of its divisors is an integer number (1006615681).

Almost surely, 2^2013231361 is an apocalyptic number.

It is an amenable number.

2013231361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013231361 is an equidigital number, since it uses as much as digits as its factorization.

2013231361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2013231361 is about 44869.0468028907. The cubic root of 2013231361 is about 1262.6933569942.

Adding to 2013231361 its reverse (1631323102), we get a palindrome (3644554463).

The spelling of 2013231361 in words is "two billion, thirteen million, two hundred thirty-one thousand, three hundred sixty-one".