16201533131 has 16 divisors (see below), whose sum is σ = 19120527360. Its totient is φ = 13433999040.

The previous prime is 16201533113. The next prime is 16201533151. The reversal of 16201533131 is 13133510261.

It is not a de Polignac number, because 16201533131 - 2⁶ = 16201533067 is a prime.

It is a super-2 number, since 2×16201533131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16201533131.

It is not an unprimeable number, because it can be changed into a prime (16201533151) 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, 631700 + ... + 656846.

It is an arithmetic number, because the mean of its divisors is an integer number (1195032960).

Almost surely, 2^16201533131 is an apocalyptic number.

16201533131 is a deficient number, since it is larger than the sum of its proper divisors (2918994229).

16201533131 is a wasteful number, since it uses less digits than its factorization.

16201533131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28154.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 16201533131 in words is "sixteen billion, two hundred one million, five hundred thirty-three thousand, one hundred thirty-one".