312378356 has 12 divisors (see below), whose sum is σ = 558293568. Its totient is φ = 152865912.

The previous prime is 312378337. The next prime is 312378371. The reversal of 312378356 is 653873213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830606 + ... + 830981.

It is an arithmetic number, because the mean of its divisors is an integer number (46524464).

Almost surely, 2^312378356 is an apocalyptic number.

It is an amenable number.

312378356 is a deficient number, since it is larger than the sum of its proper divisors (245915212).

312378356 is a wasteful number, since it uses less digits than its factorization.

312378356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661638 (or 1661636 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 312378356 is about 17674.2285828830. The cubic root of 312378356 is about 678.5163413569.

It can be divided in two parts, 31237 and 8356, that added together give a palindrome (39593).

The spelling of 312378356 in words is "three hundred twelve million, three hundred seventy-eight thousand, three hundred fifty-six".