312303672 has 48 divisors (see below), whose sum is σ = 873113280. Its totient is φ = 100742400.

The previous prime is 312303661. The next prime is 312303679. The reversal of 312303672 is 276303213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312303679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67729 + ... + 72192.

It is an arithmetic number, because the mean of its divisors is an integer number (18189860).

Almost surely, 2^312303672 is an apocalyptic number.

It is an amenable number.

312303672 is an abundant number, since it is smaller than the sum of its proper divisors (560809608).

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

312303672 is a wasteful number, since it uses less digits than its factorization.

312303672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139964 (or 139957 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 312303672 is about 17672.1156628175. The cubic root of 312303672 is about 678.4622633961.

Adding to 312303672 its reverse (276303213), we get a palindrome (588606885).

The spelling of 312303672 in words is "three hundred twelve million, three hundred three thousand, six hundred seventy-two".