3120003000 has 96 divisors (see below), whose sum is σ = 10545640560. Its totient is φ = 831998400.

The previous prime is 3120002983. The next prime is 3120003001. The reversal of 3120003000 is 3000213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120003001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164334 + ... + 182333.

Almost surely, 2^3120003000 is an apocalyptic number.

3120003000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120003000 is an abundant number, since it is smaller than the sum of its proper divisors (7425637560).

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

3120003000 is a wasteful number, since it uses less digits than its factorization.

3120003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346694 (or 346677 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 3120003000 is about 55856.9870293771. The cubic root of 3120003000 is about 1461.2291831549.

Adding to 3120003000 its reverse (3000213), we get a palindrome (3123003213).

The spelling of 3120003000 in words is "three billion, one hundred twenty million, three thousand".