312103255 has 16 divisors (see below), whose sum is σ = 397855584. Its totient is φ = 234224640.

The previous prime is 312103247. The next prime is 312103303. The reversal of 312103255 is 552301213.

It is not a de Polignac number, because 312103255 - 2³ = 312103247 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20740 + ... + 32470.

It is an arithmetic number, because the mean of its divisors is an integer number (24865974).

Almost surely, 2^312103255 is an apocalyptic number.

312103255 is a deficient number, since it is larger than the sum of its proper divisors (85752329).

312103255 is a wasteful number, since it uses less digits than its factorization.

312103255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12066.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 312103255 is about 17666.4443225002. Note that the first 3 decimals coincide. The cubic root of 312103255 is about 678.3171007645.

Adding to 312103255 its reverse (552301213), we get a palindrome (864404468).

The spelling of 312103255 in words is "three hundred twelve million, one hundred three thousand, two hundred fifty-five".