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31042223421441 = 310347407807147
BaseRepresentation
bin1110000111011100101001…
…01100110011100000000001
311001220121101220221020021220
413003232110230303200001
513032043433143441231
6150004333420105253
76352504143324261
oct703562454634001
9131817356836256
1031042223421441
119988a29941471
123594235995229
1314423662cc51b
147946473b77a1
1538c72d31d896
hex1c3b94b33801

31042223421441 has 4 divisors (see below), whose sum is σ = 41389631228592. Its totient is φ = 20694815614292.

The previous prime is 31042223421431. The next prime is 31042223421481. The reversal of 31042223421441 is 14412432224013.

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 31042223421441 - 225 = 31042189867009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31042223421431) 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, 5173703903571 + ... + 5173703903576.

It is an arithmetic number, because the mean of its divisors is an integer number (10347407807148).

Almost surely, 231042223421441 is an apocalyptic number.

It is an amenable number.

31042223421441 is a deficient number, since it is larger than the sum of its proper divisors (10347407807151).

31042223421441 is a wasteful number, since it uses less digits than its factorization.

31042223421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347407807150.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 31042223421441 its reverse (14412432224013), we get a palindrome (45454655645454).

The spelling of 31042223421441 in words is "thirty-one trillion, forty-two billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 3 10347407807147 31042223421441