3401605331 has 4 divisors (see below), whose sum is σ = 3401723064. Its totient is φ = 3401487600.

The previous prime is 3401605297. The next prime is 3401605367. The reversal of 3401605331 is 1335061043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1335061043 = 53 ⋅25189831.

It is a cyclic number.

It is not a de Polignac number, because 3401605331 - 2⁶ = 3401605267 is a prime.

It is a super-2 number, since 2×3401605331² = 23141837655775239122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3401605331.

It is not an unprimeable number, because it can be changed into a prime (3404605331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17471 + ... + 84311.

It is an arithmetic number, because the mean of its divisors is an integer number (850430766).

Almost surely, 2^3401605331 is an apocalyptic number.

3401605331 is a deficient number, since it is larger than the sum of its proper divisors (117733).

3401605331 is an equidigital number, since it uses as much as digits as its factorization.

3401605331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117732.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3401605331 is about 58323.2829237175. The cubic root of 3401605331 is about 1503.9312185317.

Adding to 3401605331 its reverse (1335061043), we get a palindrome (4736666374).

The spelling of 3401605331 in words is "three billion, four hundred one million, six hundred five thousand, three hundred thirty-one".