31234038 has 32 divisors (see below), whose sum is σ = 69603840. Its totient is φ = 9262560.

The previous prime is 31234009. The next prime is 31234061. The reversal of 31234038 is 83043213.

It is a junction number, because it is equal to n+sod(n) for n = 31233999 and 31234017.

It is a congruent number.

It is an unprimeable number.

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, 1933 + ... + 8136.

It is an arithmetic number, because the mean of its divisors is an integer number (2175120).

Almost surely, 2^31234038 is an apocalyptic number.

31234038 is an abundant number, since it is smaller than the sum of its proper divisors (38369802).

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

31234038 is a wasteful number, since it uses less digits than its factorization.

31234038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 31234038 is about 5588.7420767110. The cubic root of 31234038 is about 314.9266243807.

The spelling of 31234038 in words is "thirty-one million, two hundred thirty-four thousand, thirty-eight".