31959048 has 64 divisors (see below), whose sum is σ = 92301120. Its totient is φ = 9113600.

The previous prime is 31959001. The next prime is 31959071. The reversal of 31959048 is 84095913.

It is a junction number, because it is equal to n+sod(n) for n = 31958997 and 31959015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (1442205).

Almost surely, 2^31959048 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 31959048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46150560).

31959048 is an abundant number, since it is smaller than the sum of its proper divisors (60342072).

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

31959048 is a wasteful number, since it uses less digits than its factorization.

31959048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158 (or 7154 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 31959048 is about 5653.2334110666. The cubic root of 31959048 is about 317.3447208132.

The spelling of 31959048 in words is "thirty-one million, nine hundred fifty-nine thousand, forty-eight".