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311431003013422 = 2910849170956439
BaseRepresentation
bin100011011001111101010111…
…0010011101000000100101110
31111211200111212001210220021201
41012303322232103220010232
5311304441143232412142
63022205232214120114
7122412101402064565
oct10663725623500456
91454614761726251
10311431003013422
1190260168236676
122ab194b895003a
13104a0a82282c56
1456c94ab8acbdc
15260107d614ab7
hex11b3eae4e812e

311431003013422 has 8 divisors (see below), whose sum is σ = 467147020122000. Its totient is φ = 155715329639424.

The previous prime is 311431003013393. The next prime is 311431003013503. The reversal of 311431003013422 is 224310300134113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83656522 + ... + 87299917.

It is an arithmetic number, because the mean of its divisors is an integer number (58393377515250).

Almost surely, 2311431003013422 is an apocalyptic number.

311431003013422 is a deficient number, since it is larger than the sum of its proper divisors (155716017108578).

311431003013422 is a wasteful number, since it uses less digits than its factorization.

311431003013422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171867290.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 311431003013422 its reverse (224310300134113), we get a palindrome (535741303147535).

The spelling of 311431003013422 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, thirteen thousand, four hundred twenty-two".

Divisors: 1 2 910849 1821698 170956439 341912878 155715501506711 311431003013422