201310249 has 16 divisors (see below), whose sum is σ = 240517120. Its totient is φ = 164857680.

The previous prime is 201310217. The next prime is 201310273. The reversal of 201310249 is 942013102.

It is a cyclic number.

It is not a de Polignac number, because 201310249 - 2⁵ = 201310217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201310049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11272 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (15032320).

Almost surely, 2^201310249 is an apocalyptic number.

It is an amenable number.

201310249 is a deficient number, since it is larger than the sum of its proper divisors (39206871).

201310249 is a wasteful number, since it uses less digits than its factorization.

201310249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 201310249 is about 14188.3842984323. The cubic root of 201310249 is about 586.0778327351.

The spelling of 201310249 in words is "two hundred one million, three hundred ten thousand, two hundred forty-nine".