3102997680 has 160 divisors (see below), whose sum is σ = 11056881600. Its totient is φ = 798916608.

The previous prime is 3102997663. The next prime is 3102997717. The reversal of 3102997680 is 867992013.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 37872 + ... + 87408.

It is an arithmetic number, because the mean of its divisors is an integer number (69105510).

Almost surely, 2^3102997680 is an apocalyptic number.

3102997680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102997680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5528440800).

3102997680 is an abundant number, since it is smaller than the sum of its proper divisors (7953883920).

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

3102997680 is a wasteful number, since it uses less digits than its factorization.

3102997680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49588 (or 49576 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 3102997680 is about 55704.5570846767. The cubic root of 3102997680 is about 1458.5695754278.

The spelling of 3102997680 in words is "three billion, one hundred two million, nine hundred ninety-seven thousand, six hundred eighty".