201331416 has 96 divisors (see below), whose sum is σ = 595914480. Its totient is φ = 56305920.

The previous prime is 201331399. The next prime is 201331433. The reversal of 201331416 is 614133102.

It is an interprime number because it is at equal distance from previous prime (201331399) and next prime (201331433).

It is a junction number, because it is equal to n+sod(n) for n = 201331392 and 201331401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35086 + ... + 40418.

Almost surely, 2^201331416 is an apocalyptic number.

201331416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201331416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297957240).

201331416 is an abundant number, since it is smaller than the sum of its proper divisors (394583064).

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

201331416 is a wasteful number, since it uses less digits than its factorization.

201331416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5362 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 201331416 is about 14189.1302059006. The cubic root of 201331416 is about 586.0983732934.

Adding to 201331416 its reverse (614133102), we get a palindrome (815464518).

The spelling of 201331416 in words is "two hundred one million, three hundred thirty-one thousand, four hundred sixteen".