11313231001 has 2 divisors, whose sum is σ = 11313231002. Its totient is φ = 11313231000.

The previous prime is 11313230917. The next prime is 11313231019. The reversal of 11313231001 is 10013231311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8897016976 + 2416214025 = 94324^2 + 49155^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313231001 - 2²¹ = 11311133849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11313231031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656615500 + 5656615501.

It is an arithmetic number, because the mean of its divisors is an integer number (5656615501).

Almost surely, 2^11313231001 is an apocalyptic number.

It is an amenable number.

11313231001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313231001 is an equidigital number, since it uses as much as digits as its factorization.

11313231001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11313231001 its reverse (10013231311), we get a palindrome (21326462312).

The spelling of 11313231001 in words is "eleven billion, three hundred thirteen million, two hundred thirty-one thousand, one".