31340192 has 24 divisors (see below), whose sum is σ = 66448116. Its totient is φ = 14464512.

The previous prime is 31340167. The next prime is 31340203. The reversal of 31340192 is 29104313.

It can be written as a sum of positive squares in 2 ways, for example, as 30426256 + 913936 = 5516^2 + 956^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37253 + ... + 38084.

Almost surely, 2^31340192 is an apocalyptic number.

31340192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31340192 is an abundant number, since it is smaller than the sum of its proper divisors (35107924).

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

31340192 is a wasteful number, since it uses less digits than its factorization.

31340192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75360 (or 75352 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31340192 is about 5598.2311492113. The cubic root of 31340192 is about 315.2829975461.

The spelling of 31340192 in words is "thirty-one million, three hundred forty thousand, one hundred ninety-two".