31068330 has 32 divisors (see below), whose sum is σ = 75513600. Its totient is φ = 8179392.

The previous prime is 31068313. The next prime is 31068341. The reversal of 31068330 is 3386013.

It is a super-2 number, since 2×31068330² = 1930482257977800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31068330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4185 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 2^31068330 is an apocalyptic number.

31068330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31068330 is an abundant number, since it is smaller than the sum of its proper divisors (44445270).

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

31068330 is a wasteful number, since it uses less digits than its factorization.

31068330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 31068330 is about 5573.8972003438. The cubic root of 31068330 is about 314.3687028976.

The spelling of 31068330 in words is "thirty-one million, sixty-eight thousand, three hundred thirty".