68451231 has 8 divisors (see below), whose sum is σ = 96637104. Its totient is φ = 42949760.

The previous prime is 68451203. The next prime is 68451239. The reversal of 68451231 is 13215486.

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 68451231 - 2⁵ = 68451199 is a prime.

It is a super-2 number, since 2×68451231² = 9371142050830722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68451239) 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, 671040 + ... + 671141.

It is an arithmetic number, because the mean of its divisors is an integer number (12079638).

Almost surely, 2^68451231 is an apocalyptic number.

68451231 is a deficient number, since it is larger than the sum of its proper divisors (28185873).

68451231 is a wasteful number, since it uses less digits than its factorization.

68451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342201.

The product of its digits is 5760, while the sum is 30.

The square root of 68451231 is about 8273.5259110007. The cubic root of 68451231 is about 409.0663486355.

It can be divided in two parts, 684 and 51231, that added together give a palindrome (51915).

The spelling of 68451231 in words is "sixty-eight million, four hundred fifty-one thousand, two hundred thirty-one".