3105513830 has 8 divisors (see below), whose sum is σ = 5589924912. Its totient is φ = 1242205528.

The previous prime is 3105513823. The next prime is 3105513839. The reversal of 3105513830 is 383155013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3105513830² = 19288432296642537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3105513793 and 3105513802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105513839) 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, 155275682 + ... + 155275701.

It is an arithmetic number, because the mean of its divisors is an integer number (698740614).

Almost surely, 2^3105513830 is an apocalyptic number.

3105513830 is a deficient number, since it is larger than the sum of its proper divisors (2484411082).

3105513830 is a wasteful number, since it uses less digits than its factorization.

3105513830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310551390.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 3105513830 is about 55727.1372851683. The cubic root of 3105513830 is about 1458.9637091757.

Adding to 3105513830 its reverse (383155013), we get a palindrome (3488668843).

The spelling of 3105513830 in words is "three billion, one hundred five million, five hundred thirteen thousand, eight hundred thirty".