31914039 has 8 divisors (see below), whose sum is σ = 42589552. Its totient is φ = 21257280.

The previous prime is 31914037. The next prime is 31914059. The reversal of 31914039 is 93041913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31914039 - 2¹ = 31914037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31913997 and 31914015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31914037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 7989.

It is an arithmetic number, because the mean of its divisors is an integer number (5323694).

Almost surely, 2^31914039 is an apocalyptic number.

31914039 is a deficient number, since it is larger than the sum of its proper divisors (10675513).

31914039 is a wasteful number, since it uses less digits than its factorization.

31914039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 31914039 is about 5649.2511893170. The cubic root of 31914039 is about 317.1956750819.

The spelling of 31914039 in words is "thirty-one million, nine hundred fourteen thousand, thirty-nine".