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31231313826103 = 269325487356701
BaseRepresentation
bin1110001100111100110110…
…10111011101000100110111
311002120200110221220001102201
413012132123113131010313
513043143212314413403
6150231244551445331
76402250033255006
oct706363327350467
9132520427801381
1031231313826103
119a51142502176
123604a07986847
13145713c358231
1479d8645dcc3d
153925e8b1021d
hex1c679b5dd137

31231313826103 has 8 divisors (see below), whose sum is σ = 31347599555520. Its totient is φ = 31115029461600.

The previous prime is 31231313826101. The next prime is 31231313826127. The reversal of 31231313826103 is 30162831313213.

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 31231313826103 - 21 = 31231313826101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31231313826101) 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, 87377653 + ... + 87734353.

It is an arithmetic number, because the mean of its divisors is an integer number (3918449944440).

Almost surely, 231231313826103 is an apocalyptic number.

31231313826103 is a deficient number, since it is larger than the sum of its proper divisors (116285729417).

31231313826103 is a wasteful number, since it uses less digits than its factorization.

31231313826103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682457.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 31231313826103 in words is "thirty-one trillion, two hundred thirty-one billion, three hundred thirteen million, eight hundred twenty-six thousand, one hundred three".

Divisors: 1 269 325487 356701 87556003 95952569 116101538387 31231313826103