312730475 has 24 divisors (see below), whose sum is σ = 405844560. Its totient is φ = 238792320.

The previous prime is 312730463. The next prime is 312730489. The reversal of 312730475 is 574037213.

It is not a de Polignac number, because 312730475 - 2¹⁶ = 312664939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45836 + ... + 52214.

It is an arithmetic number, because the mean of its divisors is an integer number (16910190).

Almost surely, 2^312730475 is an apocalyptic number.

312730475 is a deficient number, since it is larger than the sum of its proper divisors (93114085).

312730475 is a wasteful number, since it uses less digits than its factorization.

312730475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479 (or 6474 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 312730475 is about 17684.1871455829. The cubic root of 312730475 is about 678.7711912592.

Adding to 312730475 its reverse (574037213), we get a palindrome (886767688).

The spelling of 312730475 in words is "three hundred twelve million, seven hundred thirty thousand, four hundred seventy-five".