11331323220131 has 2 divisors, whose sum is σ = 11331323220132. Its totient is φ = 11331323220130.

The previous prime is 11331323220101. The next prime is 11331323220143. The reversal of 11331323220131 is 13102232313311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11331323220131 - 2⁴² = 6933276709027 is a prime.

It is a super-2 number, since 2×11331323220131² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11331323220131.

It is not a weakly prime, because it can be changed into another prime (11331323220101) 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 as a sum of consecutive naturals, namely, 5665661610065 + 5665661610066.

It is an arithmetic number, because the mean of its divisors is an integer number (5665661610066).

Almost surely, 2^{11331323220131} is an apocalyptic number.

11331323220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331323220131 is an equidigital number, since it uses as much as digits as its factorization.

11331323220131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11331323220131 its reverse (13102232313311), we get a palindrome (24433555533442).

The spelling of 11331323220131 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-three million, two hundred twenty thousand, one hundred thirty-one".