312310004 has 6 divisors (see below), whose sum is σ = 546542514.
Its totient is φ = 156155000.
The previous prime is 312309983. The next prime is 312310051. The reversal of 312310004 is 400013213.
It can be written as a sum of positive squares in only one way, i.e., 300953104 + 11356900 = 17348^2 + 3370^2
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39038747 + ... + 39038754.
It is an arithmetic number, because the mean of its divisors is an integer number (91090419).
Almost surely, 2312310004 is an apocalyptic number.
It is an amenable number.
312310004 is a deficient number, since it is larger than the sum of its proper divisors (234232510).
312310004 is a wasteful number, since it uses less digits than its factorization.
312310004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78077505 (or 78077503 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 312310004 is about 17672.2948142000.
The cubic root of 312310004 is about 678.4668486704.
Adding to 312310004 its reverse (400013213), we get a palindrome (712323217).
The spelling of 312310004 in words is "three hundred twelve million, three hundred ten thousand, four".