312103234 has 16 divisors (see below), whose sum is σ = 504816480. Its totient is φ = 144231840.

The previous prime is 312103229. The next prime is 312103237. The reversal of 312103234 is 432301213.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (312103237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98604 + ... + 101719.

It is an arithmetic number, because the mean of its divisors is an integer number (31551030).

Almost surely, 2^312103234 is an apocalyptic number.

312103234 is a deficient number, since it is larger than the sum of its proper divisors (192713246).

312103234 is a wasteful number, since it uses less digits than its factorization.

312103234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200385.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 312103234 is about 17666.4437281531. The cubic root of 312103234 is about 678.3170855509.

Adding to 312103234 its reverse (432301213), we get a palindrome (744404447).

The spelling of 312103234 in words is "three hundred twelve million, one hundred three thousand, two hundred thirty-four".