31343126080 has 112 divisors (see below), whose sum is σ = 86499899136. Its totient is φ = 10594805760.

The previous prime is 31343126069. The next prime is 31343126119. The reversal of 31343126080 is 8062134313.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60502 + ... + 257578.

It is an arithmetic number, because the mean of its divisors is an integer number (772320528).

Almost surely, 2^31343126080 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 31343126080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43249949568).

31343126080 is an abundant number, since it is smaller than the sum of its proper divisors (55156773056).

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

31343126080 is a wasteful number, since it uses less digits than its factorization.

31343126080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197172 (or 197162 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 31343126080 in words is "thirty-one billion, three hundred forty-three million, one hundred twenty-six thousand, eighty".