312740452 has 6 divisors (see below), whose sum is σ = 547295798. Its totient is φ = 156370224.

The previous prime is 312740443. The next prime is 312740489. The reversal of 312740452 is 254047213.

312740452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 247873536 + 64866916 = 15744^2 + 8054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312740452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39092553 + ... + 39092560.

Almost surely, 2^312740452 is an apocalyptic number.

It is an amenable number.

312740452 is a deficient number, since it is larger than the sum of its proper divisors (234555346).

312740452 is a wasteful number, since it uses less digits than its factorization.

312740452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78185117 (or 78185115 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 312740452 is about 17684.4692315037. The cubic root of 312740452 is about 678.7784094324.

Adding to 312740452 its reverse (254047213), we get a palindrome (566787665).

The spelling of 312740452 in words is "three hundred twelve million, seven hundred forty thousand, four hundred fifty-two".