312248530 has 32 divisors (see below), whose sum is σ = 616569408. Its totient is φ = 112910400.

The previous prime is 312248509. The next prime is 312248551. The reversal of 312248530 is 35842213.

It is an interprime number because it is at equal distance from previous prime (312248509) and next prime (312248551).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12069 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (19267794).

Almost surely, 2^312248530 is an apocalyptic number.

312248530 is a deficient number, since it is larger than the sum of its proper divisors (304320878).

312248530 is a wasteful number, since it uses less digits than its factorization.

312248530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15882.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 312248530 is about 17670.5554525035. Note that the first 3 decimals coincide. The cubic root of 312248530 is about 678.4223300753.

It can be divided in two parts, 312 and 248530, that added together give a palindrome (248842).

The spelling of 312248530 in words is "three hundred twelve million, two hundred forty-eight thousand, five hundred thirty".