69243331 has 4 divisors (see below), whose sum is σ = 70077672. Its totient is φ = 68408992.

The previous prime is 69243323. The next prime is 69243337. The reversal of 69243331 is 13334296.

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 69243331 - 2³ = 69243323 is a prime.

It is a super-2 number, since 2×69243331² = 9589277775951122, 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 = 69243293 and 69243302.

It is not an unprimeable number, because it can be changed into a prime (69243337) 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, 417046 + ... + 417211.

It is an arithmetic number, because the mean of its divisors is an integer number (17519418).

Almost surely, 2^69243331 is an apocalyptic number.

69243331 is a deficient number, since it is larger than the sum of its proper divisors (834341).

69243331 is an equidigital number, since it uses as much as digits as its factorization.

69243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834340.

The product of its digits is 11664, while the sum is 31.

The square root of 69243331 is about 8321.2577775238. The cubic root of 69243331 is about 410.6381713405.

The spelling of 69243331 in words is "sixty-nine million, two hundred forty-three thousand, three hundred thirty-one".