1131304343535 has 24 divisors (see below), whose sum is σ = 1972957771824. Its totient is φ = 599660703360.

The previous prime is 1131304343497. The next prime is 1131304343539. The reversal of 1131304343535 is 5353434031311.

It is a happy number.

1131304343535 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 304 + 343 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 1131304343535 - 2¹⁵ = 1131304310767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131304343535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131304343539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77109526 + ... + 77124195.

It is an arithmetic number, because the mean of its divisors is an integer number (82206573826).

Almost surely, 2^{1131304343535} is an apocalyptic number.

1131304343535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1131304343535 is a deficient number, since it is larger than the sum of its proper divisors (841653428289).

1131304343535 is a wasteful number, since it uses less digits than its factorization.

1131304343535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154233895 (or 154233892 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 1131304343535 its reverse (5353434031311), we get a palindrome (6484738374846).

The spelling of 1131304343535 in words is "one trillion, one hundred thirty-one billion, three hundred four million, three hundred forty-three thousand, five hundred thirty-five".