10312155 has 48 divisors (see below), whose sum is σ = 21515520. Its totient is φ = 4463424.

The previous prime is 10312147. The next prime is 10312177. The reversal of 10312155 is 55121301.

10312155 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 10312155 - 2³ = 10312147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5124 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (448240).

Almost surely, 2^10312155 is an apocalyptic number.

10312155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10312155 is an abundant number, since it is smaller than the sum of its proper divisors (11203365).

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

10312155 is a wasteful number, since it uses less digits than its factorization.

10312155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 10312155 is about 3211.2544277899. The cubic root of 10312155 is about 217.6622649612.

Adding to 10312155 its reverse (55121301), we get a palindrome (65433456).

The spelling of 10312155 in words is "ten million, three hundred twelve thousand, one hundred fifty-five".