31104132130104 has 96 divisors (see below), whose sum is σ = 85510222680960. Its totient is φ = 9421290429760.

The previous prime is 31104132130081. The next prime is 31104132130109. The reversal of 31104132130104 is 40103123140113.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104132130109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4126069 + ... + 8901275.

It is an arithmetic number, because the mean of its divisors is an integer number (890731486260).

Almost surely, 2^{31104132130104} 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 31104132130104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42755111340480).

31104132130104 is an abundant number, since it is smaller than the sum of its proper divisors (54406090550856).

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

31104132130104 is a wasteful number, since it uses less digits than its factorization.

31104132130104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777481 (or 4777466 counting only the distinct ones).

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

Adding to 31104132130104 its reverse (40103123140113), we get a palindrome (71207255270217).

The spelling of 31104132130104 in words is "thirty-one trillion, one hundred four billion, one hundred thirty-two million, one hundred thirty thousand, one hundred four".