32130221311 has 4 divisors (see below), whose sum is σ = 32225563552. Its totient is φ = 32034879072.

The previous prime is 32130221309. The next prime is 32130221317. The reversal of 32130221311 is 11312203123.

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

It is a cyclic number.

It is not a de Polignac number, because 32130221311 - 2¹ = 32130221309 is a prime.

It is a super-2 number, since 2×32130221311² (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 (32130221317) 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, 47670615 + ... + 47671288.

It is an arithmetic number, because the mean of its divisors is an integer number (8056390888).

Almost surely, 2^32130221311 is an apocalyptic number.

32130221311 is a deficient number, since it is larger than the sum of its proper divisors (95342241).

32130221311 is an equidigital number, since it uses as much as digits as its factorization.

32130221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95342240.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32130221311 its reverse (11312203123), we get a palindrome (43442424434).

The spelling of 32130221311 in words is "thirty-two billion, one hundred thirty million, two hundred twenty-one thousand, three hundred eleven".