3120203001 has 16 divisors (see below), whose sum is σ = 4420047744. Its totient is φ = 1951083264.

The previous prime is 3120202997. The next prime is 3120203017. The reversal of 3120203001 is 1003020213.

It is a happy number.

It is not a de Polignac number, because 3120203001 - 2² = 3120202997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3120203101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89461 + ... + 119346.

It is an arithmetic number, because the mean of its divisors is an integer number (276252984).

Almost surely, 2^3120203001 is an apocalyptic number.

It is an amenable number.

3120203001 is a deficient number, since it is larger than the sum of its proper divisors (1299844743).

3120203001 is a wasteful number, since it uses less digits than its factorization.

3120203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209120.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3120203001 is about 55858.7772959631. Note that the first 3 decimals coincide. The cubic root of 3120203001 is about 1461.2604054597.

Adding to 3120203001 its reverse (1003020213), we get a palindrome (4123223214).

The spelling of 3120203001 in words is "three billion, one hundred twenty million, two hundred three thousand, one".