31048842 has 24 divisors (see below), whose sum is σ = 68257728. Its totient is φ = 9408520.

The previous prime is 31048841. The next prime is 31048859. The reversal of 31048842 is 24884013.

It is not an unprimeable number, because it can be changed into a prime (31048841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20658 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^31048842 is an apocalyptic number.

31048842 is an abundant number, since it is smaller than the sum of its proper divisors (37208886).

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

31048842 is a wasteful number, since it uses less digits than its factorization.

31048842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42794 (or 42783 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 31048842 is about 5572.1487776261. The cubic root of 31048842 is about 314.3029585776.

The spelling of 31048842 in words is "thirty-one million, forty-eight thousand, eight hundred forty-two".