2311535461 has 2 divisors, whose sum is σ = 2311535462. Its totient is φ = 2311535460.

The previous prime is 2311535417. The next prime is 2311535503. The reversal of 2311535461 is 1645351132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2009818561 + 301716900 = 44831^2 + 17370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311535461 - 2²¹ = 2309438309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311535411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155767730 + 1155767731.

It is an arithmetic number, because the mean of its divisors is an integer number (1155767731).

Almost surely, 2^2311535461 is an apocalyptic number.

It is an amenable number.

2311535461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311535461 is an equidigital number, since it uses as much as digits as its factorization.

2311535461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 2311535461 is about 48078.4303092353. The cubic root of 2311535461 is about 1322.2092367879.

Adding to 2311535461 its reverse (1645351132), we get a palindrome (3956886593).

The spelling of 2311535461 in words is "two billion, three hundred eleven million, five hundred thirty-five thousand, four hundred sixty-one".