1234312811 has 2 divisors, whose sum is σ = 1234312812. Its totient is φ = 1234312810.

The previous prime is 1234312801. The next prime is 1234312817. The reversal of 1234312811 is 1182134321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234312811 - 2²² = 1230118507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1234312817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617156405 + 617156406.

It is an arithmetic number, because the mean of its divisors is an integer number (617156406).

Almost surely, 2^1234312811 is an apocalyptic number.

1234312811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234312811 is an equidigital number, since it uses as much as digits as its factorization.

1234312811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 1234312811 is about 35132.7882611102. The cubic root of 1234312811 is about 1072.6920917316.

The spelling of 1234312811 in words is "one billion, two hundred thirty-four million, three hundred twelve thousand, eight hundred eleven".