3031121002 has 32 divisors (see below), whose sum is σ = 5598819072. Its totient is φ = 1198502784.

The previous prime is 3031120991. The next prime is 3031121003. The reversal of 3031121002 is 2001211303.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (3031121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525478 + ... + 531214.

It is an arithmetic number, because the mean of its divisors is an integer number (174963096).

Almost surely, 2^3031121002 is an apocalyptic number.

3031121002 is a deficient number, since it is larger than the sum of its proper divisors (2567698070).

3031121002 is a wasteful number, since it uses less digits than its factorization.

3031121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662.

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

The square root of 3031121002 is about 55055.6173519106. The cubic root of 3031121002 is about 1447.2195631213.

Adding to 3031121002 its reverse (2001211303), we get a palindrome (5032332305).

The spelling of 3031121002 in words is "three billion, thirty-one million, one hundred twenty-one thousand, two".