1131321303013 has 16 divisors (see below), whose sum is σ = 1246270177152. Its totient is φ = 1018391256000.

The previous prime is 1131321302983. The next prime is 1131321303019. The reversal of 1131321303013 is 3103031231311.

It is a cyclic number.

It is not a de Polignac number, because 1131321303013 - 2¹³ = 1131321294821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131321303019) 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, 13487343 + ... + 13570963.

It is an arithmetic number, because the mean of its divisors is an integer number (77891886072).

Almost surely, 2^{1131321303013} is an apocalyptic number.

It is an amenable number.

1131321303013 is a deficient number, since it is larger than the sum of its proper divisors (114948874139).

1131321303013 is a wasteful number, since it uses less digits than its factorization.

1131321303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95676.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1131321303013 its reverse (3103031231311), we get a palindrome (4234352534324).

The spelling of 1131321303013 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred three thousand, thirteen".