201656313 has 12 divisors (see below), whose sum is σ = 291739968. Its totient is φ = 134225880.

The previous prime is 201656311. The next prime is 201656321. The reversal of 201656313 is 313656102.

201656313 is a `hidden beast` number, since 2 + 0 + 1 + 656 + 3 + 1 + 3 = 666.

It is not a de Polignac number, because 201656313 - 2¹ = 201656311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201656311) 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 11 ways as a sum of consecutive naturals, for example, 11493 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (24311664).

Almost surely, 2^201656313 is an apocalyptic number.

It is an amenable number.

201656313 is a deficient number, since it is larger than the sum of its proper divisors (90083655).

201656313 is a wasteful number, since it uses less digits than its factorization.

201656313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35284 (or 35281 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 201656313 is about 14200.5743897914. The cubic root of 201656313 is about 586.4134744141.

The spelling of 201656313 in words is "two hundred one million, six hundred fifty-six thousand, three hundred thirteen".