68607031 has 4 divisors (see below), whose sum is σ = 68726512. Its totient is φ = 68487552.

The previous prime is 68607017. The next prime is 68607037. The reversal of 68607031 is 13070686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13070686 = 2 ⋅6535343.

It is a cyclic number.

It is not a de Polignac number, because 68607031 - 2⁷ = 68606903 is a prime.

It is a super-2 number, since 2×68607031² = 9413849405269922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68606984 and 68607002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68607037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58875 + ... + 60028.

It is an arithmetic number, because the mean of its divisors is an integer number (17181628).

Almost surely, 2^68607031 is an apocalyptic number.

68607031 is a deficient number, since it is larger than the sum of its proper divisors (119481).

68607031 is a wasteful number, since it uses less digits than its factorization.

68607031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119480.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 68607031 is about 8282.9361340047. The cubic root of 68607031 is about 409.3764684290.

The spelling of 68607031 in words is "sixty-eight million, six hundred seven thousand, thirty-one".