11313231019 has 2 divisors, whose sum is σ = 11313231020. Its totient is φ = 11313231018.

The previous prime is 11313231001. The next prime is 11313231023. The reversal of 11313231019 is 91013231311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11313231019 - 2¹⁹ = 11312706731 is a prime.

It is a super-2 number, since 2×11313231019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11313230984 and 11313231002.

It is not a weakly prime, because it can be changed into another prime (11313231619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656615509 + 5656615510.

It is an arithmetic number, because the mean of its divisors is an integer number (5656615510).

Almost surely, 2^11313231019 is an apocalyptic number.

11313231019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313231019 is an equidigital number, since it uses as much as digits as its factorization.

11313231019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 11313231019 in words is "eleven billion, three hundred thirteen million, two hundred thirty-one thousand, nineteen".