1131321233131 has 8 divisors (see below), whose sum is σ = 1131938154864. Its totient is φ = 1130704412640.

The previous prime is 1131321233041. The next prime is 1131321233167. The reversal of 1131321233131 is 1313321231311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131321233131 - 2⁹ = 1131321232619 is a prime.

It is a super-2 number, since 2×1131321233131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131321233096 and 1131321233105.

It is not an unprimeable number, because it can be changed into a prime (1131321236131) 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, 34335741 + ... + 34368673.

It is an arithmetic number, because the mean of its divisors is an integer number (141492269358).

Almost surely, 2^{1131321233131} is an apocalyptic number.

1131321233131 is a deficient number, since it is larger than the sum of its proper divisors (616921733).

1131321233131 is a wasteful number, since it uses less digits than its factorization.

1131321233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50621.

The product of its digits is 972, while the sum is 25.

Adding to 1131321233131 its reverse (1313321231311), we get a palindrome (2444642464442).

The spelling of 1131321233131 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred thirty-one".