68936031 has 12 divisors (see below), whose sum is σ = 100210552. Its totient is φ = 45663696.

The previous prime is 68936029. The next prime is 68936051. The reversal of 68936031 is 13063986.

It is a happy number.

It is not a de Polignac number, because 68936031 - 2¹ = 68936029 is a prime.

It is a super-2 number, since 2×68936031² = 9504352740065922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68936051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22981 + ... + 25806.

Almost surely, 2^68936031 is an apocalyptic number.

68936031 is a deficient number, since it is larger than the sum of its proper divisors (31274521).

68936031 is a wasteful number, since it uses less digits than its factorization.

68936031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48950 (or 48947 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 68936031 is about 8302.7724887534. The cubic root of 68936031 is about 410.0298035047.

The spelling of 68936031 in words is "sixty-eight million, nine hundred thirty-six thousand, thirty-one".