1131403321131 has 8 divisors (see below), whose sum is σ = 1508580389184. Its totient is φ = 754247566920.

The previous prime is 1131403321117. The next prime is 1131403321151. The reversal of 1131403321131 is 1311233041311.

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

It is not a de Polignac number, because 1131403321131 - 2⁵ = 1131403321099 is a prime.

It is a super-2 number, since 2×1131403321131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131403321151) 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, 5204185 + ... + 5417226.

It is an arithmetic number, because the mean of its divisors is an integer number (188572548648).

Almost surely, 2^{1131403321131} is an apocalyptic number.

1131403321131 is a deficient number, since it is larger than the sum of its proper divisors (377177068053).

1131403321131 is a wasteful number, since it uses less digits than its factorization.

1131403321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656921.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 1131403321131 its reverse (1311233041311), we get a palindrome (2442636362442).

The spelling of 1131403321131 in words is "one trillion, one hundred thirty-one billion, four hundred three million, three hundred twenty-one thousand, one hundred thirty-one".