3105042402 has 64 divisors (see below), whose sum is σ = 7763963904. Its totient is φ = 804263040.

The previous prime is 3105042397. The next prime is 3105042433. The reversal of 3105042402 is 2042405013.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160398 + ... + 178710.

It is an arithmetic number, because the mean of its divisors is an integer number (121311936).

Almost surely, 2^3105042402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3105042402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881981952).

3105042402 is an abundant number, since it is smaller than the sum of its proper divisors (4658921502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3105042402 is a wasteful number, since it uses less digits than its factorization.

3105042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18703.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3105042402 is about 55722.9073362114. The cubic root of 3105042402 is about 1458.8898801534.

Adding to 3105042402 its reverse (2042405013), we get a palindrome (5147447415).

The spelling of 3105042402 in words is "three billion, one hundred five million, forty-two thousand, four hundred two".