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3220442440431 = 31956498990183
BaseRepresentation
bin101110110111010001010…
…100111110001011101111
3102101212112011121112100220
4232313101110332023233
5410230431231043211
610503241214022423
7451445365040556
oct56672124761357
912355464545326
103220442440431
111031866889a47
124401877a7a13
131a48c00a7878
14b1c27d50d9d
1558b876cc806
hex2edd153e2ef

3220442440431 has 8 divisors (see below), whose sum is σ = 4519919214720. Its totient is φ = 2033963646552.

The previous prime is 3220442440379. The next prime is 3220442440433. The reversal of 3220442440431 is 1340442440223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3220442440431 - 213 = 3220442432239 is a prime.

It is a super-2 number, since 2×32204424404312 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220442440392 and 3220442440401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220442440433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28249495035 + ... + 28249495148.

It is an arithmetic number, because the mean of its divisors is an integer number (564989901840).

Almost surely, 23220442440431 is an apocalyptic number.

3220442440431 is a deficient number, since it is larger than the sum of its proper divisors (1299476774289).

3220442440431 is a wasteful number, since it uses less digits than its factorization.

3220442440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56498990205.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 3220442440431 its reverse (1340442440223), we get a palindrome (4560884880654).

The spelling of 3220442440431 in words is "three trillion, two hundred twenty billion, four hundred forty-two million, four hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 19 57 56498990183 169496970549 1073480813477 3220442440431