1131304343534 has 32 divisors (see below), whose sum is σ = 1758789373440. Its totient is φ = 545383238400.

The previous prime is 1131304343497. The next prime is 1131304343539. The reversal of 1131304343534 is 4353434031311.

It is a junction number, because it is equal to n+sod(n) for n = 1131304343494 and 1131304343503.

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 15 ways as a sum of consecutive naturals, for example, 35863349 + ... + 35894879.

It is an arithmetic number, because the mean of its divisors is an integer number (54962167920).

Almost surely, 2^{1131304343534} is an apocalyptic number.

1131304343534 is a deficient number, since it is larger than the sum of its proper divisors (627485029906).

1131304343534 is a wasteful number, since it uses less digits than its factorization.

1131304343534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36936.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 1131304343534 its reverse (4353434031311), we get a palindrome (5484738374845).

The spelling of 1131304343534 in words is "one trillion, one hundred thirty-one billion, three hundred four million, three hundred forty-three thousand, five hundred thirty-four".