64131032 has 32 divisors (see below), whose sum is σ = 137682720. Its totient is φ = 27432960.

The previous prime is 64130959. The next prime is 64131037. The reversal of 64131032 is 23013146.

It is a super-2 number, since 2×64131032² = 8225578530770048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64130995 and 64131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64131037) 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, 52088 + ... + 53304.

It is an arithmetic number, because the mean of its divisors is an integer number (4302585).

Almost surely, 2^64131032 is an apocalyptic number.

It is an amenable number.

64131032 is an abundant number, since it is smaller than the sum of its proper divisors (73551688).

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

64131032 is a wasteful number, since it uses less digits than its factorization.

64131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 64131032 is about 8008.1853125412. The cubic root of 64131032 is about 400.2727972452.

Adding to 64131032 its reverse (23013146), we get a palindrome (87144178).

The spelling of 64131032 in words is "sixty-four million, one hundred thirty-one thousand, thirty-two".