1131243410413 has 16 divisors (see below), whose sum is σ = 1172538082800. Its totient is φ = 1090615736320.

The previous prime is 1131243410393. The next prime is 1131243410417. The reversal of 1131243410413 is 3140143421311.

It can be written as a sum of positive squares in 8 ways, for example, as 589721092489 + 541522317924 = 767933^2 + 735882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131243410413 - 2¹³ = 1131243402221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131243410417) 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, 6234273 + ... + 6413161.

It is an arithmetic number, because the mean of its divisors is an integer number (73283630175).

Almost surely, 2^{1131243410413} is an apocalyptic number.

It is an amenable number.

1131243410413 is a deficient number, since it is larger than the sum of its proper divisors (41294672387).

1131243410413 is a wasteful number, since it uses less digits than its factorization.

1131243410413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180752.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1131243410413 its reverse (3140143421311), we get a palindrome (4271386831724).

The spelling of 1131243410413 in words is "one trillion, one hundred thirty-one billion, two hundred forty-three million, four hundred ten thousand, four hundred thirteen".