3120020031300 has 36 divisors (see below), whose sum is σ = 9027257958096. Its totient is φ = 832005341600.

The previous prime is 3120020031269. The next prime is 3120020031379. The reversal of 3120020031300 is 31300200213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3120020031300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5200033086 + ... + 5200033685.

Almost surely, 2^{3120020031300} is an apocalyptic number.

3120020031300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120020031300 is an abundant number, since it is smaller than the sum of its proper divisors (5907237926796).

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

3120020031300 is a wasteful number, since it uses less digits than its factorization.

3120020031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400066788 (or 10400066781 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 3120020031300 its reverse (31300200213), we get a palindrome (3151320231513).

The spelling of 3120020031300 in words is "three trillion, one hundred twenty billion, twenty million, thirty-one thousand, three hundred".