312134553 has 20 divisors (see below), whose sum is σ = 478881700. Its totient is φ = 202463712.

The previous prime is 312134551. The next prime is 312134561. The reversal of 312134553 is 355431213.

312134553 is a `hidden beast` number, since 312 + 1 + 345 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 278122329 + 34012224 = 16677^2 + 5832^2 .

It is not a de Polignac number, because 312134553 - 2¹ = 312134551 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312134551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49078 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (23944085).

Almost surely, 2^312134553 is an apocalyptic number.

It is an amenable number.

312134553 is a deficient number, since it is larger than the sum of its proper divisors (166747147).

312134553 is a wasteful number, since it uses less digits than its factorization.

312134553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104198 (or 104189 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 312134553 is about 17667.3301038952. The cubic root of 312134553 is about 678.3397740932.

Adding to 312134553 its reverse (355431213), we get a palindrome (667565766).

The spelling of 312134553 in words is "three hundred twelve million, one hundred thirty-four thousand, five hundred fifty-three".