32005523131 has 4 divisors (see below), whose sum is σ = 32025794200. Its totient is φ = 31985252064.

The previous prime is 32005523107. The next prime is 32005523149. The reversal of 32005523131 is 13132550023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13132550023 = 659 ⋅19927997.

It is a cyclic number.

It is not a de Polignac number, because 32005523131 - 2⁷ = 32005523003 is a prime.

It is a super-2 number, since 2×32005523131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32005523096 and 32005523105.

It is not an unprimeable number, because it can be changed into a prime (32005523531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10133166 + ... + 10136323.

It is an arithmetic number, because the mean of its divisors is an integer number (8006448550).

Almost surely, 2^32005523131 is an apocalyptic number.

32005523131 is a deficient number, since it is larger than the sum of its proper divisors (20271069).

32005523131 is a wasteful number, since it uses less digits than its factorization.

32005523131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20271068.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 32005523131 in words is "thirty-two billion, five million, five hundred twenty-three thousand, one hundred thirty-one".