312134450 has 36 divisors (see below), whose sum is σ = 616758702. Its totient is φ = 117504000.

The previous prime is 312134447. The next prime is 312134477. The reversal of 312134450 is 54431213.

It can be written as a sum of positive squares in 9 ways, for example, as 152794321 + 159340129 = 12361^2 + 12623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3650 + ... + 25250.

Almost surely, 2^312134450 is an apocalyptic number.

312134450 is a deficient number, since it is larger than the sum of its proper divisors (304624252).

312134450 is a wasteful number, since it uses less digits than its factorization.

312134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647 (or 21625 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 312134450 is about 17667.3271889100. The cubic root of 312134450 is about 678.3396994790.

Adding to 312134450 its reverse (54431213), we get a palindrome (366565663).

The spelling of 312134450 in words is "three hundred twelve million, one hundred thirty-four thousand, four hundred fifty".