330131032221 has 4 divisors (see below), whose sum is σ = 440174709632. Its totient is φ = 220087354812.

The previous prime is 330131032193. The next prime is 330131032223. The reversal of 330131032221 is 122230131033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 330131032221 - 2¹³ = 330131024029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330131032223) 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, 55021838701 + ... + 55021838706.

It is an arithmetic number, because the mean of its divisors is an integer number (110043677408).

Almost surely, 2^330131032221 is an apocalyptic number.

It is an amenable number.

330131032221 is a deficient number, since it is larger than the sum of its proper divisors (110043677411).

330131032221 is a wasteful number, since it uses less digits than its factorization.

330131032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110043677410.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 330131032221 its reverse (122230131033), we get a palindrome (452361163254).

The spelling of 330131032221 in words is "three hundred thirty billion, one hundred thirty-one million, thirty-two thousand, two hundred twenty-one".