1612323311 has 2 divisors, whose sum is σ = 1612323312. Its totient is φ = 1612323310.

The previous prime is 1612323301. The next prime is 1612323331. The reversal of 1612323311 is 1133232161.

It is a weak prime.

It is an emirp because it is prime and its reverse (1133232161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1612323311 - 2¹⁸ = 1612061167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612323301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806161655 + 806161656.

It is an arithmetic number, because the mean of its divisors is an integer number (806161656).

Almost surely, 2^1612323311 is an apocalyptic number.

1612323311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612323311 is an equidigital number, since it uses as much as digits as its factorization.

1612323311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 1612323311 is about 40153.7459149206. The cubic root of 1612323311 is about 1172.6022171802.

Adding to 1612323311 its reverse (1133232161), we get a palindrome (2745555472).

The spelling of 1612323311 in words is "one billion, six hundred twelve million, three hundred twenty-three thousand, three hundred eleven".