31102144113332 has 12 divisors (see below), whose sum is σ = 54463398136896. Its totient is φ = 15541173217080.

The previous prime is 31102144113331. The next prime is 31102144113433. The reversal of 31102144113332 is 23331144120113.

It is a junction number, because it is equal to n+sod(n) for n = 31102144113295 and 31102144113304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102144113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474702828 + ... + 2474715395.

It is an arithmetic number, because the mean of its divisors is an integer number (4538616511408).

Almost surely, 2^{31102144113332} is an apocalyptic number.

It is an amenable number.

31102144113332 is a deficient number, since it is larger than the sum of its proper divisors (23361254023564).

31102144113332 is a wasteful number, since it uses less digits than its factorization.

31102144113332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949419798 (or 4949419796 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31102144113332 its reverse (23331144120113), we get a palindrome (54433288233445).

The spelling of 31102144113332 in words is "thirty-one trillion, one hundred two billion, one hundred forty-four million, one hundred thirteen thousand, three hundred thirty-two".