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231422222401 = 832788219547
BaseRepresentation
bin1101011110000111010…
…1101110000001000001
3211010100012201222020021
43113201311232001001
512242423042104101
6254151445213441
722501600301566
oct3274165560101
9733305658207
10231422222401
118a1668a1a47
1238a26a01281
1318a91243896
14b2b538486d
156046d825a1
hex35e1d6e041

231422222401 has 4 divisors (see below), whose sum is σ = 234210442032. Its totient is φ = 228634002772.

The previous prime is 231422222387. The next prime is 231422222413. The reversal of 231422222401 is 104222224132.

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 a cyclic number.

It is not a de Polignac number, because 231422222401 - 29 = 231422221889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231422222501) 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, 1394109691 + ... + 1394109856.

It is an arithmetic number, because the mean of its divisors is an integer number (58552610508).

Almost surely, 2231422222401 is an apocalyptic number.

It is an amenable number.

231422222401 is a deficient number, since it is larger than the sum of its proper divisors (2788219631).

231422222401 is an equidigital number, since it uses as much as digits as its factorization.

231422222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788219630.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 231422222401 its reverse (104222224132), we get a palindrome (335644446533).

The spelling of 231422222401 in words is "two hundred thirty-one billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred one".

Divisors: 1 83 2788219547 231422222401