3123154980 has 144 divisors (see below), whose sum is σ = 10399281984. Its totient is φ = 752405760.

The previous prime is 3123154967. The next prime is 3123155011. The reversal of 3123154980 is 894513213.

3123154980 is a `hidden beast` number, since 3 + 1 + 2 + 31 + 549 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317902 + ... + 327578.

It is an arithmetic number, because the mean of its divisors is an integer number (72217236).

Almost surely, 2^3123154980 is an apocalyptic number.

3123154980 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 3123154980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5199640992).

3123154980 is an abundant number, since it is smaller than the sum of its proper divisors (7276127004).

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

3123154980 is a wasteful number, since it uses less digits than its factorization.

3123154980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9861 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3123154980 is about 55885.1946404412. The cubic root of 3123154980 is about 1461.7210859983.

The spelling of 3123154980 in words is "three billion, one hundred twenty-three million, one hundred fifty-four thousand, nine hundred eighty".