3103321242 has 64 divisors (see below), whose sum is σ = 7348320000. Its totient is φ = 855275520.

The previous prime is 3103321211. The next prime is 3103321261. The reversal of 3103321242 is 2421233013.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143134 + ... + 163382.

It is an arithmetic number, because the mean of its divisors is an integer number (114817500).

Almost surely, 2^3103321242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103321242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674160000).

3103321242 is an abundant number, since it is smaller than the sum of its proper divisors (4244998758).

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

3103321242 is a wasteful number, since it uses less digits than its factorization.

3103321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3103321242 is about 55707.4612776422. The cubic root of 3103321242 is about 1458.6202706302.

Adding to 3103321242 its reverse (2421233013), we get a palindrome (5524554255).

The spelling of 3103321242 in words is "three billion, one hundred three million, three hundred twenty-one thousand, two hundred forty-two".