3105032405 has 16 divisors (see below), whose sum is σ = 3949221744. Its totient is φ = 2335534080.

The previous prime is 3105032369. The next prime is 3105032429. The reversal of 3105032405 is 5042305013.

It can be written as a sum of positive squares in 8 ways, for example, as 513611569 + 2591420836 = 22663^2 + 50906^2 .

It is not a de Polignac number, because 3105032405 - 2⁸ = 3105032149 is a prime.

It is a super-2 number, since 2×3105032405² = 19282452472200168050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68075 + ... + 104135.

It is an arithmetic number, because the mean of its divisors is an integer number (246826359).

Almost surely, 2^3105032405 is an apocalyptic number.

It is an amenable number.

3105032405 is a deficient number, since it is larger than the sum of its proper divisors (844189339).

3105032405 is a wasteful number, since it uses less digits than its factorization.

3105032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37096.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3105032405 is about 55722.8176333538. The cubic root of 3105032405 is about 1458.8883144702. Note that the first 3 decimals are identical.

Adding to 3105032405 its reverse (5042305013), we get a palindrome (8147337418).

The spelling of 3105032405 in words is "three billion, one hundred five million, thirty-two thousand, four hundred five".