31048430 has 32 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 10565280.

The previous prime is 31048429. The next prime is 31048481. The reversal of 31048430 is 3484013.

It is a junction number, because it is equal to n+sod(n) for n = 31048396 and 31048405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8135 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^31048430 is an apocalyptic number.

31048430 is an abundant number, since it is smaller than the sum of its proper divisors (33302290).

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

31048430 is a wasteful number, since it uses less digits than its factorization.

31048430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31048430 is about 5572.1118079235. Note that the first 3 decimals coincide. The cubic root of 31048430 is about 314.3015683659.

The spelling of 31048430 in words is "thirty-one million, forty-eight thousand, four hundred thirty".