31068137 has 8 divisors (see below), whose sum is σ = 31481856. Its totient is φ = 30657312.

The previous prime is 31068127. The next prime is 31068151. The reversal of 31068137 is 73186013.

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 31068137 - 2⁶ = 31068073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31068127) 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, 27773 + ... + 28869.

It is an arithmetic number, because the mean of its divisors is an integer number (3935232).

Almost surely, 2^31068137 is an apocalyptic number.

It is an amenable number.

31068137 is a deficient number, since it is larger than the sum of its proper divisors (413719).

31068137 is a wasteful number, since it uses less digits than its factorization.

31068137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 31068137 is about 5573.8798874752. The cubic root of 31068137 is about 314.3680519315.

The spelling of 31068137 in words is "thirty-one million, sixty-eight thousand, one hundred thirty-seven".