11331022313131 has 8 divisors (see below), whose sum is σ = 11600369743424. Its totient is φ = 11061940123080.

The previous prime is 11331022313111. The next prime is 11331022313147. The reversal of 11331022313131 is 13131322013311.

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 11331022313131 - 2¹¹ = 11331022311083 is a prime.

It is a super-2 number, since 2×11331022313131² (a number of 27 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 = 11331022313096 and 11331022313105.

It is not an unprimeable number, because it can be changed into a prime (11331022313111) 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, 66223605 + ... + 66394486.

It is an arithmetic number, because the mean of its divisors is an integer number (1450046217928).

Almost surely, 2^{11331022313131} is an apocalyptic number.

11331022313131 is a deficient number, since it is larger than the sum of its proper divisors (269347430293).

11331022313131 is a wasteful number, since it uses less digits than its factorization.

11331022313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132620121.

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

Adding to 11331022313131 its reverse (13131322013311), we get a palindrome (24462344326442).

The spelling of 11331022313131 in words is "eleven trillion, three hundred thirty-one billion, twenty-two million, three hundred thirteen thousand, one hundred thirty-one".