312020452 has 6 divisors (see below), whose sum is σ = 546035798. Its totient is φ = 156010224.

The previous prime is 312020447. The next prime is 312020473. The reversal of 312020452 is 254020213.

It can be written as a sum of positive squares in only one way, i.e., 241056676 + 70963776 = 15526^2 + 8424^2 .

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, 39002553 + ... + 39002560.

Almost surely, 2^312020452 is an apocalyptic number.

It is an amenable number.

312020452 is a deficient number, since it is larger than the sum of its proper divisors (234015346).

312020452 is a wasteful number, since it uses less digits than its factorization.

312020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78005117 (or 78005115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 312020452 is about 17664.1006564161. The cubic root of 312020452 is about 678.2571081629.

Adding to 312020452 its reverse (254020213), we get a palindrome (566040665).

The spelling of 312020452 in words is "three hundred twelve million, twenty thousand, four hundred fifty-two".