1131240204313 has 8 divisors (see below), whose sum is σ = 1138725181440. Its totient is φ = 1123763692800.

The previous prime is 1131240204239. The next prime is 1131240204331. The reversal of 1131240204313 is 3134020421311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131240204313 - 2²¹ = 1131238107161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131240204373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848153 + ... + 2382886.

It is an arithmetic number, because the mean of its divisors is an integer number (142340647680).

Almost surely, 2^{1131240204313} is an apocalyptic number.

It is an amenable number.

1131240204313 is a deficient number, since it is larger than the sum of its proper divisors (7484977127).

1131240204313 is a wasteful number, since it uses less digits than its factorization.

1131240204313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232807.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1131240204313 its reverse (3134020421311), we get a palindrome (4265260625624).

The spelling of 1131240204313 in words is "one trillion, one hundred thirty-one billion, two hundred forty million, two hundred four thousand, three hundred thirteen".