3103007297920 has 128 divisors (see below), whose sum is σ = 7530947884800. Its totient is φ = 1222336051200.

The previous prime is 3103007297911. The next prime is 3103007297939. The reversal of 3103007297920 is 297927003013.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×3103007297920³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199427101 + ... + 199442659.

It is an arithmetic number, because the mean of its divisors is an integer number (58835530350).

Almost surely, 2^{3103007297920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103007297920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765473942400).

3103007297920 is an abundant number, since it is smaller than the sum of its proper divisors (4427940586880).

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

3103007297920 is a wasteful number, since it uses less digits than its factorization.

3103007297920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20296 (or 20284 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 3103007297920 in words is "three trillion, one hundred three billion, seven million, two hundred ninety-seven thousand, nine hundred twenty".