312148026 has 16 divisors (see below), whose sum is σ = 693662400. Its totient is φ = 104049324.

The previous prime is 312147949. The next prime is 312148049. The reversal of 312148026 is 620841213.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890206 + ... + 2890313.

It is an arithmetic number, because the mean of its divisors is an integer number (43353900).

Almost surely, 2^312148026 is an apocalyptic number.

312148026 is an abundant number, since it is smaller than the sum of its proper divisors (381514374).

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

312148026 is a wasteful number, since it uses less digits than its factorization.

312148026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780530 (or 5780524 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 312148026 is about 17667.7113967825. The cubic root of 312148026 is about 678.3495339229.

Adding to 312148026 its reverse (620841213), we get a palindrome (932989239).

The spelling of 312148026 in words is "three hundred twelve million, one hundred forty-eight thousand, twenty-six".