220431323001 has 16 divisors (see below), whose sum is σ = 309750555200. Its totient is φ = 139051816128.

The previous prime is 220431322999. The next prime is 220431323011. The reversal of 220431323001 is 100323134022.

It is not a de Polignac number, because 220431323001 - 2¹ = 220431322999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220431323011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2285206 + ... + 2379711.

It is an arithmetic number, because the mean of its divisors is an integer number (19359409700).

Almost surely, 2^220431323001 is an apocalyptic number.

It is an amenable number.

220431323001 is a deficient number, since it is larger than the sum of its proper divisors (89319232199).

220431323001 is a wasteful number, since it uses less digits than its factorization.

220431323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665768.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220431323001 its reverse (100323134022), we get a palindrome (320754457023).

The spelling of 220431323001 in words is "two hundred twenty billion, four hundred thirty-one million, three hundred twenty-three thousand, one".