3123132312 has 64 divisors (see below), whose sum is σ = 8003952000. Its totient is φ = 1014983424.

The previous prime is 3123132263. The next prime is 3123132317. The reversal of 3123132312 is 2132313213.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123132317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636364 + ... + 641252.

It is an arithmetic number, because the mean of its divisors is an integer number (125061750).

Almost surely, 2^3123132312 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 3123132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001976000).

3123132312 is an abundant number, since it is smaller than the sum of its proper divisors (4880819688).

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

3123132312 is a wasteful number, since it uses less digits than its factorization.

3123132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5556 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 3123132312 is about 55884.9918314390. The cubic root of 3123132312 is about 1461.7175495772.

Adding to 3123132312 its reverse (2132313213), we get a palindrome (5255445525).

The spelling of 3123132312 in words is "three billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred twelve".