3121310002 has 8 divisors (see below), whose sum is σ = 4683885696. Its totient is φ = 1560014772.

The previous prime is 3121309963. The next prime is 3121310009. The reversal of 3121310002 is 2000131213.

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

It is a super-2 number, since 2×3121310002² = 19485152257170480008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3121310009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313998 + ... + 323785.

It is an arithmetic number, because the mean of its divisors is an integer number (585485712).

Almost surely, 2^3121310002 is an apocalyptic number.

3121310002 is a deficient number, since it is larger than the sum of its proper divisors (1562575694).

3121310002 is a wasteful number, since it uses less digits than its factorization.

3121310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640232.

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

The square root of 3121310002 is about 55868.6853434015. The cubic root of 3121310002 is about 1461.4331960832.

Adding to 3121310002 its reverse (2000131213), we get a palindrome (5121441215).

The spelling of 3121310002 in words is "three billion, one hundred twenty-one million, three hundred ten thousand, two".