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1401431224231 = 25729717183499
BaseRepresentation
bin10100011001001011110…
…011110110111110100111
311221222100011002112000201
4110121023303312332213
5140430112343133411
62551450354451331
7203151525600313
oct24311363667647
94858304075021
101401431224231
114a0386433235
121a7734593b47
13a220129890c
144bb88728b43
15266c3b213c1
hex1464bcf6fa7

1401431224231 has 8 divisors (see below), whose sum is σ = 1406939274000. Its totient is φ = 1395923601408.

The previous prime is 1401431224199. The next prime is 1401431224243. The reversal of 1401431224231 is 1324221341041.

It is a happy number.

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

It is not a de Polignac number, because 1401431224231 - 25 = 1401431224199 is a prime.

It is a super-2 number, since 2×14014312242312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401431224231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401431224031) 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, 7545520 + ... + 7729018.

It is an arithmetic number, because the mean of its divisors is an integer number (175867409250).

Almost surely, 21401431224231 is an apocalyptic number.

1401431224231 is a deficient number, since it is larger than the sum of its proper divisors (5508049769).

1401431224231 is a wasteful number, since it uses less digits than its factorization.

1401431224231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213473.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1401431224231 its reverse (1324221341041), we get a palindrome (2725652565272).

The spelling of 1401431224231 in words is "one trillion, four hundred one billion, four hundred thirty-one million, two hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 257 29717 183499 7637269 47159243 5453039783 1401431224231