312103322 has 4 divisors (see below), whose sum is σ = 468154986. Its totient is φ = 156051660.

The previous prime is 312103313. The next prime is 312103343. The reversal of 312103322 is 223301213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 228947161 + 83156161 = 15131^2 + 9119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312103322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78025829 + ... + 78025832.

Almost surely, 2^312103322 is an apocalyptic number.

312103322 is a deficient number, since it is larger than the sum of its proper divisors (156051664).

312103322 is a wasteful number, since it uses less digits than its factorization.

312103322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156051663.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 312103322 is about 17666.4462187504. The cubic root of 312103322 is about 678.3171493032.

Adding to 312103322 its reverse (223301213), we get a palindrome (535404535).

The spelling of 312103322 in words is "three hundred twelve million, one hundred three thousand, three hundred twenty-two".