312310230 has 32 divisors (see below), whose sum is σ = 793636704. Its totient is φ = 78383616.

The previous prime is 312310217. The next prime is 312310231. The reversal of 312310230 is 32013213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312310231) 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, 305677 + ... + 306696.

It is an arithmetic number, because the mean of its divisors is an integer number (24801147).

Almost surely, 2^312310230 is an apocalyptic number.

312310230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312310230 is an abundant number, since it is smaller than the sum of its proper divisors (481326474).

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

312310230 is a wasteful number, since it uses less digits than its factorization.

312310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612400.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312310230 is about 17672.3012083882. The cubic root of 312310230 is about 678.4670123256.

Adding to 312310230 its reverse (32013213), we get a palindrome (344323443).

The spelling of 312310230 in words is "three hundred twelve million, three hundred ten thousand, two hundred thirty".