312421552 has 10 divisors (see below), whose sum is σ = 605316788. Its totient is φ = 156210768.

The previous prime is 312421547. The next prime is 312421589. The reversal of 312421552 is 255124213.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9763158 + ... + 9763189.

Almost surely, 2^312421552 is an apocalyptic number.

It is an amenable number.

312421552 is a deficient number, since it is larger than the sum of its proper divisors (292895236).

312421552 is a wasteful number, since it uses less digits than its factorization.

312421552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526355 (or 19526349 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 312421552 is about 17675.4505458843. The cubic root of 312421552 is about 678.5476152276.

Adding to 312421552 its reverse (255124213), we get a palindrome (567545765).

The spelling of 312421552 in words is "three hundred twelve million, four hundred twenty-one thousand, five hundred fifty-two".