31679383 has 6 divisors (see below), whose sum is σ = 31989776. Its totient is φ = 31371972.

The previous prime is 31679377. The next prime is 31679387. The reversal of 31679383 is 38397613.

It is not a de Polignac number, because 31679383 - 2¹³ = 31671191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31679387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10066 + ... + 12832.

Almost surely, 2^31679383 is an apocalyptic number.

31679383 is a deficient number, since it is larger than the sum of its proper divisors (310393).

31679383 is an equidigital number, since it uses as much as digits as its factorization.

31679383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2874 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 31679383 is about 5628.4441011704. Note that the first 3 decimals coincide. The cubic root of 31679383 is about 316.4163415360.

The spelling of 31679383 in words is "thirty-one million, six hundred seventy-nine thousand, three hundred eighty-three".