31634135104 has 112 divisors (see below), whose sum is σ = 74138674176. Its totient is φ = 13202841600.

The previous prime is 31634135081. The next prime is 31634135147. The reversal of 31634135104 is 40153143613.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738984 + ... + 1757080.

It is an arithmetic number, because the mean of its divisors is an integer number (661952448).

Almost surely, 2^31634135104 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 31634135104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37069337088).

31634135104 is an abundant number, since it is smaller than the sum of its proper divisors (42504539072).

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

31634135104 is a wasteful number, since it uses less digits than its factorization.

31634135104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324 (or 18314 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 31634135104 its reverse (40153143613), we get a palindrome (71787278717).

The spelling of 31634135104 in words is "thirty-one billion, six hundred thirty-four million, one hundred thirty-five thousand, one hundred four".