3121130002 has 8 divisors (see below), whose sum is σ = 4795882812. Its totient is φ = 1522502400.

The previous prime is 3121129993. The next prime is 3121130021. The reversal of 3121130002 is 2000311213.

It can be written as a sum of positive squares in 2 ways, for example, as 3055988961 + 65141041 = 55281^2 + 8071^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19031199 + ... + 19031362.

Almost surely, 2^3121130002 is an apocalyptic number.

3121130002 is a deficient number, since it is larger than the sum of its proper divisors (1674752810).

3121130002 is a wasteful number, since it uses less digits than its factorization.

3121130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38062604.

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

The square root of 3121130002 is about 55867.0743998645. The cubic root of 3121130002 is about 1461.4051028539.

Adding to 3121130002 its reverse (2000311213), we get a palindrome (5121441215).

The spelling of 3121130002 in words is "three billion, one hundred twenty-one million, one hundred thirty thousand, two".