31984134 has 32 divisors (see below), whose sum is σ = 78731520. Its totient is φ = 8435232.

The previous prime is 31984109. The next prime is 31984159. The reversal of 31984134 is 43148913.

It is an interprime number because it is at equal distance from previous prime (31984109) and next prime (31984159).

It is a junction number, because it is equal to n+sod(n) for n = 31984095 and 31984104.

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, 28744 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (2460360).

Almost surely, 2^31984134 is an apocalyptic number.

31984134 is an abundant number, since it is smaller than the sum of its proper divisors (46747386).

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

31984134 is a wasteful number, since it uses less digits than its factorization.

31984134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58604.

The product of its digits is 10368, while the sum is 33.

The square root of 31984134 is about 5655.4517060974. The cubic root of 31984134 is about 317.4277315005.

The spelling of 31984134 in words is "thirty-one million, nine hundred eighty-four thousand, one hundred thirty-four".