31000104132 has 96 divisors (see below), whose sum is σ = 79049241600. Its totient is φ = 9417969792.

The previous prime is 31000104119. The next prime is 31000104143. The reversal of 31000104132 is 23140100013.

It is a super-3 number, since 3×31000104132³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862913 + ... + 1879479.

It is an arithmetic number, because the mean of its divisors is an integer number (823429600).

Almost surely, 2^31000104132 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 31000104132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39524620800).

31000104132 is an abundant number, since it is smaller than the sum of its proper divisors (48049137468).

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

31000104132 is a wasteful number, since it uses less digits than its factorization.

31000104132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16905 (or 16903 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31000104132 its reverse (23140100013), we get a palindrome (54140204145).

The spelling of 31000104132 in words is "thirty-one billion, one hundred four thousand, one hundred thirty-two".