31068869 has 8 divisors (see below), whose sum is σ = 34026720. Its totient is φ = 28192176.

The previous prime is 31068859. The next prime is 31068871. The reversal of 31068869 is 96886013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31068869 - 2⁸ = 31068613 is a prime.

It is a super-2 number, since 2×31068869² = 1930549241878322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31068859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19487 + ... + 21020.

It is an arithmetic number, because the mean of its divisors is an integer number (4253340).

Almost surely, 2^31068869 is an apocalyptic number.

It is an amenable number.

31068869 is a deficient number, since it is larger than the sum of its proper divisors (2957851).

31068869 is a wasteful number, since it uses less digits than its factorization.

31068869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40579.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 31068869 is about 5573.9455505055. The cubic root of 31068869 is about 314.3705208663.

The spelling of 31068869 in words is "thirty-one million, sixty-eight thousand, eight hundred sixty-nine".