31379334 has 32 divisors (see below), whose sum is σ = 74200320. Its totient is φ = 8656032.

The previous prime is 31379333. The next prime is 31379351. The reversal of 31379334 is 43397313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31379295 and 31379304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31379333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11664 + ... + 14099.

It is an arithmetic number, because the mean of its divisors is an integer number (2318760).

Almost surely, 2^31379334 is an apocalyptic number.

31379334 is an abundant number, since it is smaller than the sum of its proper divisors (42820986).

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

31379334 is a wasteful number, since it uses less digits than its factorization.

31379334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804.

The product of its digits is 20412, while the sum is 33.

The square root of 31379334 is about 5601.7259840160. The cubic root of 31379334 is about 315.4141993908.

It can be divided in two parts, 31379 and 334, that added together give a palindrome (31713).

The spelling of 31379334 in words is "thirty-one million, three hundred seventy-nine thousand, three hundred thirty-four".