2312261361 has 12 divisors (see below), whose sum is σ = 3351335988. Its totient is φ = 1536244704.

The previous prime is 2312261359. The next prime is 2312261383. The reversal of 2312261361 is 1631622132.

2312261361 is a `hidden beast` number, since 23 + 1 + 22 + 613 + 6 + 1 = 666.

2312261361 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1402877025 + 909384336 = 37455^2 + 30156^2 .

It is not a de Polignac number, because 2312261361 - 2¹ = 2312261359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2312261311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435790 + ... + 441063.

It is an arithmetic number, because the mean of its divisors is an integer number (279277999).

Almost surely, 2^2312261361 is an apocalyptic number.

It is an amenable number.

2312261361 is a deficient number, since it is larger than the sum of its proper divisors (1039074627).

2312261361 is a wasteful number, since it uses less digits than its factorization.

2312261361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877152 (or 877149 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2312261361 is about 48085.9788399904. The cubic root of 2312261361 is about 1322.3476283822.

Adding to 2312261361 its reverse (1631622132), we get a palindrome (3943883493).

The spelling of 2312261361 in words is "two billion, three hundred twelve million, two hundred sixty-one thousand, three hundred sixty-one".