1131459311 has 2 divisors, whose sum is σ = 1131459312. Its totient is φ = 1131459310.

The previous prime is 1131459289. The next prime is 1131459323. The reversal of 1131459311 is 1139541311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131459311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131459011) 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, 565729655 + 565729656.

It is an arithmetic number, because the mean of its divisors is an integer number (565729656).

Almost surely, 2^1131459311 is an apocalyptic number.

1131459311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131459311 is an equidigital number, since it uses as much as digits as its factorization.

1131459311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 29.

The square root of 1131459311 is about 33637.1715665869. The cubic root of 1131459311 is about 1042.0286190000.

The spelling of 1131459311 in words is "one billion, one hundred thirty-one million, four hundred fifty-nine thousand, three hundred eleven".