11331131323131 has 6 divisors (see below), whose sum is σ = 16367189688980. Its totient is φ = 7554087548748.

The previous prime is 11331131323111. The next prime is 11331131323133. The reversal of 11331131323131 is 13132313113311.

11331131323131 is a `hidden beast` number, since 1 + 1 + 3 + 31 + 1 + 313 + 2 + 313 + 1 = 666.

It is not a de Polignac number, because 11331131323131 - 2¹³ = 11331131314939 is a prime.

It is a super-2 number, since 2×11331131323131² (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 = 11331131323095 and 11331131323104.

It is not an unprimeable number, because it can be changed into a prime (11331131323133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629507295721 + ... + 629507295738.

Almost surely, 2^{11331131323131} is an apocalyptic number.

11331131323131 is a deficient number, since it is larger than the sum of its proper divisors (5036058365849).

11331131323131 is a wasteful number, since it uses less digits than its factorization.

11331131323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259014591465 (or 1259014591462 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

Adding to 11331131323131 its reverse (13132313113311), we get a palindrome (24463444436442).

The spelling of 11331131323131 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-one".