312421004 has 24 divisors (see below), whose sum is σ = 625218048. Its totient is φ = 133814160.

The previous prime is 312421003. The next prime is 312421027. The reversal of 312421004 is 400124213.

It is not an unprimeable number, because it can be changed into a prime (312421001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82799 + ... + 86489.

It is an arithmetic number, because the mean of its divisors is an integer number (26050752).

Almost surely, 2^312421004 is an apocalyptic number.

It is an amenable number.

312421004 is an abundant number, since it is smaller than the sum of its proper divisors (312797044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312421004 is a wasteful number, since it uses less digits than its factorization.

312421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725 (or 6723 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312421004 is about 17675.4350441510. The cubic root of 312421004 is about 678.5472184941.

Adding to 312421004 its reverse (400124213), we get a palindrome (712545217).

The spelling of 312421004 in words is "three hundred twelve million, four hundred twenty-one thousand, four".