334431261 has 10 divisors (see below), whose sum is σ = 499582622. Its totient is φ = 222954120.

The previous prime is 334431233. The next prime is 334431263. The reversal of 334431261 is 162134433.

334431261 is a `hidden beast` number, since 3 + 344 + 312 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 252619236 + 81812025 = 15894^2 + 9045^2 .

It is not a de Polignac number, because 334431261 - 2¹⁹ = 333906973 is a prime.

It is a super-2 number, since 2×334431261² = 223688536668100242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334431263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2064310 + ... + 2064471.

Almost surely, 2^334431261 is an apocalyptic number.

It is an amenable number.

334431261 is a deficient number, since it is larger than the sum of its proper divisors (165151361).

334431261 is an equidigital number, since it uses as much as digits as its factorization.

334431261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128793 (or 4128784 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 334431261 is about 18287.4618523184. The cubic root of 334431261 is about 694.1217005938.

Adding to 334431261 its reverse (162134433), we get a palindrome (496565694).

The spelling of 334431261 in words is "three hundred thirty-four million, four hundred thirty-one thousand, two hundred sixty-one".