3122331516 has 96 divisors (see below), whose sum is σ = 8475667200. Its totient is φ = 992698560.

The previous prime is 3122331479. The next prime is 3122331539. The reversal of 3122331516 is 6151332213.

3122331516 is a `hidden beast` number, since 312 + 2 + 331 + 5 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3122331516.

It is a congruent number.

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, 253951 + ... + 265961.

It is an arithmetic number, because the mean of its divisors is an integer number (88288200).

It is a self-describing number.

Almost surely, 2^3122331516 is an apocalyptic number.

3122331516 is a gapful number since it is divisible by the number (36) 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 3122331516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4237833600).

3122331516 is an abundant number, since it is smaller than the sum of its proper divisors (5353335684).

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

3122331516 is a wasteful number, since it uses less digits than its factorization.

3122331516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136 (or 12128 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3122331516 is about 55877.8266936000. The cubic root of 3122331516 is about 1461.5926068904.

Adding to 3122331516 its reverse (6151332213), we get a palindrome (9273663729).

The spelling of 3122331516 in words is "three billion, one hundred twenty-two million, three hundred thirty-one thousand, five hundred sixteen".