1131301001331 has 24 divisors (see below), whose sum is σ = 1644060678624. Its totient is φ = 749605057920.

The previous prime is 1131301001279. The next prime is 1131301001333. The reversal of 1131301001331 is 1331001031311.

1131301001331 is a `hidden beast` number, since 1 + 1 + 31 + 301 + 0 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 1131301001331 - 2⁷ = 1131301001203 is a prime.

It is a super-2 number, since 2×1131301001331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131301001333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16403901 + ... + 16472721.

It is an arithmetic number, because the mean of its divisors is an integer number (68502528276).

Almost surely, 2^{1131301001331} is an apocalyptic number.

1131301001331 is a deficient number, since it is larger than the sum of its proper divisors (512759677293).

1131301001331 is a wasteful number, since it uses less digits than its factorization.

1131301001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79931 (or 79928 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1131301001331 its reverse (1331001031311), we get a palindrome (2462302032642).

The spelling of 1131301001331 in words is "one trillion, one hundred thirty-one billion, three hundred one million, one thousand, three hundred thirty-one".