3121201302 has 16 divisors (see below), whose sum is σ = 6243260592. Its totient is φ = 1040257440.

The previous prime is 3121201189. The next prime is 3121201313. The reversal of 3121201302 is 2031021213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17688 + ... + 80964.

It is an arithmetic number, because the mean of its divisors is an integer number (390203787).

Almost surely, 2^3121201302 is an apocalyptic number.

3121201302 is an abundant number, since it is smaller than the sum of its proper divisors (3122059290).

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

3121201302 is a wasteful number, since it uses less digits than its factorization.

3121201302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71503.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3121201302 is about 55867.7125180546. The cubic root of 3121201302 is about 1461.4162310234.

Adding to 3121201302 its reverse (2031021213), we get a palindrome (5152222515).

The spelling of 3121201302 in words is "three billion, one hundred twenty-one million, two hundred one thousand, three hundred two".