32000002131 has 4 divisors (see below), whose sum is σ = 42666669512. Its totient is φ = 21333334752.

The previous prime is 32000002129. The next prime is 32000002147. The reversal of 32000002131 is 13120000023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 32000002131 - 2¹ = 32000002129 is a prime.

It is a super-2 number, since 2×32000002131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32000002631) 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, 5333333686 + ... + 5333333691.

It is an arithmetic number, because the mean of its divisors is an integer number (10666667378).

Almost surely, 2^32000002131 is an apocalyptic number.

32000002131 is a deficient number, since it is larger than the sum of its proper divisors (10666667381).

32000002131 is a wasteful number, since it uses less digits than its factorization.

32000002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666667380.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 32000002131 its reverse (13120000023), we get a palindrome (45120002154).

The spelling of 32000002131 in words is "thirty-two billion, two thousand, one hundred thirty-one".