1132631305 has 16 divisors (see below), whose sum is σ = 1464853824. Its totient is φ = 835750080.

The previous prime is 1132631303. The next prime is 1132631321. The reversal of 1132631305 is 5031362311.

It is not a de Polignac number, because 1132631305 - 2¹ = 1132631303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132631305.

It is not an unprimeable number, because it can be changed into a prime (1132631303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86650 + ... + 98860.

It is an arithmetic number, because the mean of its divisors is an integer number (91553364).

Almost surely, 2^1132631305 is an apocalyptic number.

It is an amenable number.

1132631305 is a deficient number, since it is larger than the sum of its proper divisors (332222519).

1132631305 is a wasteful number, since it uses less digits than its factorization.

1132631305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1132631305 is about 33654.5881716000. The cubic root of 1132631305 is about 1042.3882813264.

Adding to 1132631305 its reverse (5031362311), we get a palindrome (6163993616).

The spelling of 1132631305 in words is "one billion, one hundred thirty-two million, six hundred thirty-one thousand, three hundred five".