201602331 has 64 divisors (see below), whose sum is σ = 371097600. Its totient is φ = 105559200.

The previous prime is 201602327. The next prime is 201602333. The reversal of 201602331 is 133206102.

It is not a de Polignac number, because 201602331 - 2² = 201602327 is a prime.

It is a super-2 number, since 2×201602331² = 81286999729267122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201602333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110416 + ... + 112226.

It is an arithmetic number, because the mean of its divisors is an integer number (5798400).

Almost surely, 2^201602331 is an apocalyptic number.

201602331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201602331 is a deficient number, since it is larger than the sum of its proper divisors (169495269).

201602331 is a wasteful number, since it uses less digits than its factorization.

201602331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 201602331 is about 14198.6735648088. The cubic root of 201602331 is about 586.3611434674.

Adding to 201602331 its reverse (133206102), we get a palindrome (334808433).

The spelling of 201602331 in words is "two hundred one million, six hundred two thousand, three hundred thirty-one".