312002313100 has 72 divisors (see below), whose sum is σ = 680214432240. Its totient is φ = 124217614080.

The previous prime is 312002313061. The next prime is 312002313107. The reversal of 312002313100 is 1313200213.

It is a super-2 number, since 2×312002313100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312002313107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31279714 + ... + 31289686.

It is an arithmetic number, because the mean of its divisors is an integer number (9447422670).

Almost surely, 2^312002313100 is an apocalyptic number.

It is an amenable number.

312002313100 is an abundant number, since it is smaller than the sum of its proper divisors (368212119140).

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

312002313100 is a wasteful number, since it uses less digits than its factorization.

312002313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11419 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 312002313100 its reverse (1313200213), we get a palindrome (313315513313).

The spelling of 312002313100 in words is "three hundred twelve billion, two million, three hundred thirteen thousand, one hundred".