1131423301331 has 8 divisors (see below), whose sum is σ = 1208579187024. Its totient is φ = 1055445368320.

The previous prime is 1131423301277. The next prime is 1131423301343. The reversal of 1131423301331 is 1331033241311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131423301331 is a prime.

It is a super-2 number, since 2×1131423301331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131423301331.

It is not an unprimeable number, because it can be changed into a prime (1131423301831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294486185 + ... + 294490026.

It is an arithmetic number, because the mean of its divisors is an integer number (151072398378).

Almost surely, 2^{1131423301331} is an apocalyptic number.

1131423301331 is a deficient number, since it is larger than the sum of its proper divisors (77155885693).

1131423301331 is a wasteful number, since it uses less digits than its factorization.

1131423301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588976341.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1131423301331 its reverse (1331033241311), we get a palindrome (2462456542642).

The spelling of 1131423301331 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-three million, three hundred one thousand, three hundred thirty-one".