31229068 has 24 divisors (see below), whose sum is σ = 62318592. Its totient is φ = 13565184.

The previous prime is 31229063. The next prime is 31229083. The reversal of 31229068 is 86092213.

It is not an unprimeable number, because it can be changed into a prime (31229063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16780 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (2596608).

Almost surely, 2^31229068 is an apocalyptic number.

It is an amenable number.

31229068 is a deficient number, since it is larger than the sum of its proper divisors (31089524).

31229068 is a wasteful number, since it uses less digits than its factorization.

31229068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35361 (or 35359 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 31229068 is about 5588.2974151346. The cubic root of 31229068 is about 314.9099196525.

The spelling of 31229068 in words is "thirty-one million, two hundred twenty-nine thousand, sixty-eight".