10312305 has 32 divisors (see below), whose sum is σ = 17338368. Its totient is φ = 5227200.

The previous prime is 10312301. The next prime is 10312343. The reversal of 10312305 is 50321301.

10312305 = 293² + 294² + ... + 382².

It is a happy number.

10312305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10312305 - 2² = 10312301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30990 + ... + 31320.

It is an arithmetic number, because the mean of its divisors is an integer number (541824).

Almost surely, 2^10312305 is an apocalyptic number.

10312305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10312305 is a deficient number, since it is larger than the sum of its proper divisors (7026063).

10312305 is a wasteful number, since it uses less digits than its factorization.

10312305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10312305 is about 3211.2777830639. The cubic root of 10312305 is about 217.6633203235.

Adding to 10312305 its reverse (50321301), we get a palindrome (60633606).

The spelling of 10312305 in words is "ten million, three hundred twelve thousand, three hundred five".