31714381 has 4 divisors (see below), whose sum is σ = 31835232. Its totient is φ = 31593532.

The previous prime is 31714369. The next prime is 31714393. The reversal of 31714381 is 18341713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (31714369) and next prime (31714393).

It is a cyclic number.

It is not a de Polignac number, because 31714381 - 2¹³ = 31706189 is a prime.

It is a super-2 number, since 2×31714381² = 2011603924426322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31714301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60031 + ... + 60556.

It is an arithmetic number, because the mean of its divisors is an integer number (7958808).

Almost surely, 2^31714381 is an apocalyptic number.

It is an amenable number.

31714381 is a deficient number, since it is larger than the sum of its proper divisors (120851).

31714381 is a wasteful number, since it uses less digits than its factorization.

31714381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120850.

The product of its digits is 2016, while the sum is 28.

The square root of 31714381 is about 5631.5522726865. The cubic root of 31714381 is about 316.5328196423.

The spelling of 31714381 in words is "thirty-one million, seven hundred fourteen thousand, three hundred eighty-one".