68901311 has 4 divisors (see below), whose sum is σ = 69871824. Its totient is φ = 67930800.

The previous prime is 68901253. The next prime is 68901347. The reversal of 68901311 is 11310986.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68901311 - 2¹⁰ = 68900287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68901211) 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, 485150 + ... + 485291.

It is an arithmetic number, because the mean of its divisors is an integer number (17467956).

Almost surely, 2^68901311 is an apocalyptic number.

68901311 is a deficient number, since it is larger than the sum of its proper divisors (970513).

68901311 is an equidigital number, since it uses as much as digits as its factorization.

68901311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970512.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 68901311 is about 8300.6813575754. The cubic root of 68901311 is about 409.9609540449.

The spelling of 68901311 in words is "sixty-eight million, nine hundred one thousand, three hundred eleven".