3121230001 has 8 divisors (see below), whose sum is σ = 3202774344. Its totient is φ = 3039943680.

The previous prime is 3121229999. The next prime is 3121230017. The reversal of 3121230001 is 1000321213.

It can be written as a sum of positive squares in 4 ways, for example, as 164480625 + 2956749376 = 12825^2 + 54376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121230001 - 2¹ = 3121229999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121230031) by changing a digit.

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, 39876 + ... + 88501.

It is an arithmetic number, because the mean of its divisors is an integer number (400346793).

Almost surely, 2^3121230001 is an apocalyptic number.

It is an amenable number.

3121230001 is a deficient number, since it is larger than the sum of its proper divisors (81544343).

3121230001 is a wasteful number, since it uses less digits than its factorization.

3121230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129011.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3121230001 is about 55867.9693652812. The cubic root of 3121230001 is about 1461.4207101808.

Adding to 3121230001 its reverse (1000321213), we get a palindrome (4121551214).

The spelling of 3121230001 in words is "three billion, one hundred twenty-one million, two hundred thirty thousand, one".