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231422121433 = 1012940177933
BaseRepresentation
bin1101011110000111010…
…1010101010111011001
3211010100012112211201201
43113201311111113121
512242423030341213
6254151443114201
722501566401326
oct3274165252731
9733305484651
10231422121433
118a1668330a8
1238a26972961
1318a91209939
14b2b5359b4d
156046d626dd
hex35e1d555d9

231422121433 has 8 divisors (see below), whose sum is σ = 233724377736. Its totient is φ = 229120080000.

The previous prime is 231422121401. The next prime is 231422121479. The reversal of 231422121433 is 334121224132.

It can be written as a sum of positive squares in 4 ways, for example, as 38342730969 + 193079390464 = 195813^2 + 439408^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 231422121433 - 25 = 231422121401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231420121433) 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, 2930535 + ... + 3008467.

It is an arithmetic number, because the mean of its divisors is an integer number (29215547217).

Almost surely, 2231422121433 is an apocalyptic number.

It is an amenable number.

231422121433 is a deficient number, since it is larger than the sum of its proper divisors (2302256303).

231422121433 is a wasteful number, since it uses less digits than its factorization.

231422121433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107435.

The product of its digits is 6912, while the sum is 28.

Adding to 231422121433 its reverse (334121224132), we get a palindrome (565543345565).

The spelling of 231422121433 in words is "two hundred thirty-one billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 101 29401 77933 2969501 7871233 2291308133 231422121433