31479045104 has 80 divisors (see below), whose sum is σ = 66849471360. Its totient is φ = 14272727040.

The previous prime is 31479045097. The next prime is 31479045109. The reversal of 31479045104 is 40154097413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31479045109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2900969 + ... + 2911799.

It is an arithmetic number, because the mean of its divisors is an integer number (835618392).

Almost surely, 2^31479045104 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 31479045104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33424735680).

31479045104 is an abundant number, since it is smaller than the sum of its proper divisors (35370426256).

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

31479045104 is a wasteful number, since it uses less digits than its factorization.

31479045104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 31479045104 in words is "thirty-one billion, four hundred seventy-nine million, forty-five thousand, one hundred four".