16201031 has 8 divisors (see below), whose sum is σ = 20198784. Its totient is φ = 12624120.

The previous prime is 16201013. The next prime is 16201049. The reversal of 16201031 is 13010261.

It is an interprime number because it is at equal distance from previous prime (16201013) and next prime (16201049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16201031 - 2⁶ = 16200967 is a prime.

It is a super-2 number, since 2×16201031² = 524946810925922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16200997 and 16201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105125 + ... + 105278.

It is an arithmetic number, because the mean of its divisors is an integer number (2524848).

Almost surely, 2^16201031 is an apocalyptic number.

16201031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16201031 is a deficient number, since it is larger than the sum of its proper divisors (3997753).

16201031 is a wasteful number, since it uses less digits than its factorization.

16201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210421.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 16201031 is about 4025.0504344666. The cubic root of 16201031 is about 253.0351672487.

Adding to 16201031 its reverse (13010261), we get a palindrome (29211292).

The spelling of 16201031 in words is "sixteen million, two hundred one thousand, thirty-one".