11331332313131 has 4 divisors (see below), whose sum is σ = 11334578186664. Its totient is φ = 11328086439600.

The previous prime is 11331332313121. The next prime is 11331332313167. The reversal of 11331332313131 is 13131323313311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331332313131 - 2³⁴ = 11314152443947 is a prime.

It is a super-2 number, since 2×11331332313131² (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 = 11331332313094 and 11331332313103.

It is not an unprimeable number, because it can be changed into a prime (11331332313121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622931530 + ... + 1622938511.

It is an arithmetic number, because the mean of its divisors is an integer number (2833644546666).

Almost surely, 2^{11331332313131} is an apocalyptic number.

11331332313131 is a deficient number, since it is larger than the sum of its proper divisors (3245873533).

11331332313131 is an equidigital number, since it uses as much as digits as its factorization.

11331332313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245873532.

The product of its digits is 4374, while the sum is 29.

Adding to 11331332313131 its reverse (13131323313311), we get a palindrome (24462655626442).

The spelling of 11331332313131 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-one".