264343331 has 8 divisors (see below), whose sum is σ = 302599680. Its totient is φ = 226210248.

The previous prime is 264343307. The next prime is 264343349. The reversal of 264343331 is 133343462.

It is a happy number.

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 264343331 - 2¹⁴ = 264326947 is a prime.

It is a super-2 number, since 2×264343331² = 139754793288351122, 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 = 264343294 and 264343303.

It is not an unprimeable number, because it can be changed into a prime (264343351) 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, 26171 + ... + 34836.

It is an arithmetic number, because the mean of its divisors is an integer number (37824960).

Almost surely, 2^264343331 is an apocalyptic number.

264343331 is a deficient number, since it is larger than the sum of its proper divisors (38256349).

264343331 is an equidigital number, since it uses as much as digits as its factorization.

264343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61633.

The product of its digits is 15552, while the sum is 29.

The square root of 264343331 is about 16258.6386576490. The cubic root of 264343331 is about 641.7848379499.

Adding to 264343331 its reverse (133343462), we get a palindrome (397686793).

The spelling of 264343331 in words is "two hundred sixty-four million, three hundred forty-three thousand, three hundred thirty-one".