32020113231 has 12 divisors (see below), whose sum is σ = 46836734880. Its totient is φ = 21076529760.

The previous prime is 32020113193. The next prime is 32020113247. The reversal of 32020113231 is 13231102023.

32020113231 is a `hidden beast` number, since 320 + 2 + 0 + 113 + 231 = 666.

It is not a de Polignac number, because 32020113231 - 2¹⁰ = 32020112207 is a prime.

It is a super-2 number, since 2×32020113231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020113431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22516950 + ... + 22518371.

It is an arithmetic number, because the mean of its divisors is an integer number (3903061240).

Almost surely, 2^32020113231 is an apocalyptic number.

32020113231 is a deficient number, since it is larger than the sum of its proper divisors (14816621649).

32020113231 is a wasteful number, since it uses less digits than its factorization.

32020113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45035406 (or 45035403 counting only the distinct ones).

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

Adding to 32020113231 its reverse (13231102023), we get a palindrome (45251215254).

The spelling of 32020113231 in words is "thirty-two billion, twenty million, one hundred thirteen thousand, two hundred thirty-one".