31113223110001 has 4 divisors (see below), whose sum is σ = 31141741189104. Its totient is φ = 31084705030900.

The previous prime is 31113223109993. The next prime is 31113223110007. The reversal of 31113223110001 is 10001132231113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31113223110001 - 2³ = 31113223109993 is a prime.

It is a super-3 number, since 3×31113223110001³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113223110007) 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 in 3 ways as a sum of consecutive naturals, for example, 14259037915 + ... + 14259040096.

It is an arithmetic number, because the mean of its divisors is an integer number (7785435297276).

Almost surely, 2^{31113223110001} is an apocalyptic number.

It is an amenable number.

31113223110001 is a deficient number, since it is larger than the sum of its proper divisors (28518079103).

31113223110001 is a wasteful number, since it uses less digits than its factorization.

31113223110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28518079102.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31113223110001 its reverse (10001132231113), we get a palindrome (41114355341114).

The spelling of 31113223110001 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred ten thousand, one".