31113223102104 has 192 divisors, whose sum is σ = 92185205656320. Its totient is φ = 8692467168000.

The previous prime is 31113223102033. The next prime is 31113223102111. The reversal of 31113223102104 is 40120132231113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30722629 + ... + 31719179.

It is an arithmetic number, because the mean of its divisors is an integer number (480131279460).

Almost surely, 2^{31113223102104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31113223102104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46092602828160).

31113223102104 is an abundant number, since it is smaller than the sum of its proper divisors (61071982554216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113223102104 is a wasteful number, since it uses less digits than its factorization.

31113223102104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997422 (or 997407 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31113223102104 its reverse (40120132231113), we get a palindrome (71233355333217).

The spelling of 31113223102104 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred two thousand, one hundred four".