312266133 has 6 divisors (see below), whose sum is σ = 451051094. Its totient is φ = 208177416.

The previous prime is 312266117. The next prime is 312266153. The reversal of 312266133 is 331662213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 272349009 + 39917124 = 16503^2 + 6318^2 .

It is not a de Polignac number, because 312266133 - 2⁴ = 312266117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312266097 and 312266106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312266153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17348110 + ... + 17348127.

Almost surely, 2^312266133 is an apocalyptic number.

It is an amenable number.

312266133 is a deficient number, since it is larger than the sum of its proper divisors (138784961).

312266133 is a wasteful number, since it uses less digits than its factorization.

312266133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34696243 (or 34696240 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 312266133 is about 17671.0535339577. The cubic root of 312266133 is about 678.4350785141.

The spelling of 312266133 in words is "three hundred twelve million, two hundred sixty-six thousand, one hundred thirty-three".