1131131301113 has 32 divisors (see below), whose sum is σ = 1270396317312. Its totient is φ = 998355904000.

The previous prime is 1131131301073. The next prime is 1131131301127. The reversal of 1131131301113 is 3111031311311.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131131301113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131131301913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135250070 + ... + 135258432.

It is an arithmetic number, because the mean of its divisors is an integer number (39699884916).

Almost surely, 2^{1131131301113} is an apocalyptic number.

It is an amenable number.

1131131301113 is a deficient number, since it is larger than the sum of its proper divisors (139265016199).

1131131301113 is a wasteful number, since it uses less digits than its factorization.

1131131301113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 1131131301113 its reverse (3111031311311), we get a palindrome (4242162612424).

The spelling of 1131131301113 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred one thousand, one hundred thirteen".