32130320231 has 4 divisors (see below), whose sum is σ = 32132100672. Its totient is φ = 32128539792.

The previous prime is 32130320213. The next prime is 32130320239. The reversal of 32130320231 is 13202303123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13202303123 = 109 ⋅121122047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32130320231 is a prime.

It is a super-2 number, since 2×32130320231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130320239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862871 + ... + 899336.

It is an arithmetic number, because the mean of its divisors is an integer number (8033025168).

Almost surely, 2^32130320231 is an apocalyptic number.

32130320231 is a deficient number, since it is larger than the sum of its proper divisors (1780441).

32130320231 is a wasteful number, since it uses less digits than its factorization.

32130320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780440.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32130320231 its reverse (13202303123), we get a palindrome (45332623354).

The spelling of 32130320231 in words is "thirty-two billion, one hundred thirty million, three hundred twenty thousand, two hundred thirty-one".