3102421388 has 24 divisors (see below), whose sum is σ = 5980316160. Its totient is φ = 1396498320.

The previous prime is 3102421381. The next prime is 3102421391. The reversal of 3102421388 is 8831242013.

3102421388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3102421381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337748 + ... + 346811.

It is an arithmetic number, because the mean of its divisors is an integer number (249179840).

Almost surely, 2^3102421388 is an apocalyptic number.

It is an amenable number.

3102421388 is a deficient number, since it is larger than the sum of its proper divisors (2877894772).

3102421388 is a wasteful number, since it uses less digits than its factorization.

3102421388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684677 (or 684675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 3102421388 is about 55699.3840899520. The cubic root of 3102421388 is about 1458.4792741442.

The spelling of 3102421388 in words is "three billion, one hundred two million, four hundred twenty-one thousand, three hundred eighty-eight".