3121330000 has 200 divisors, whose sum is σ = 8102356416. Its totient is φ = 1161600000.

The previous prime is 3121329979. The next prime is 3121330081. The reversal of 3121330000 is 331213.

3121330000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9429835 + ... + 9430165.

Almost surely, 2^3121330000 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 3121330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4051178208).

3121330000 is an abundant number, since it is smaller than the sum of its proper divisors (4981026416).

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

3121330000 is a wasteful number, since it uses less digits than its factorization.

3121330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3121330000 is about 55868.8643163614. The cubic root of 3121330000 is about 1461.4363171743.

Adding to 3121330000 its reverse (331213), we get a palindrome (3121661213).

The spelling of 3121330000 in words is "three billion, one hundred twenty-one million, three hundred thirty thousand".