201031416 has 64 divisors (see below), whose sum is σ = 559735200. Its totient is φ = 66852864.

The previous prime is 201031403. The next prime is 201031429. The reversal of 201031416 is 614130102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201031403) and next prime (201031429).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 123826 + ... + 125438.

Almost surely, 2^201031416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201031416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279867600).

201031416 is an abundant number, since it is smaller than the sum of its proper divisors (358703784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031416 is a wasteful number, since it uses less digits than its factorization.

201031416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 201031416 is about 14178.5547923616. The cubic root of 201031416 is about 585.8071173446.

Adding to 201031416 its reverse (614130102), we get a palindrome (815161518).

The spelling of 201031416 in words is "two hundred one million, thirty-one thousand, four hundred sixteen".