68911422031 has 8 divisors (see below), whose sum is σ = 74307567600. Its totient is φ = 63692199360.

The previous prime is 68911422011. The next prime is 68911422077. The reversal of 68911422031 is 13022411986.

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 68911422031 - 2⁷ = 68911421903 is a prime.

It is a super-2 number, since 2×68911422031² (a number of 22 digits) 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 (68911422011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44229916 + ... + 44231473.

It is an arithmetic number, because the mean of its divisors is an integer number (9288445950).

Almost surely, 2^68911422031 is an apocalyptic number.

68911422031 is a deficient number, since it is larger than the sum of its proper divisors (5396145569).

68911422031 is a wasteful number, since it uses less digits than its factorization.

68911422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88461449.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 68911422031 in words is "sixty-eight billion, nine hundred eleven million, four hundred twenty-two thousand, thirty-one".