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31023010121323 = 118333979200571
BaseRepresentation
bin1110000110111000110110…
…11111111000011001101011
311001211202210220201110101211
413003130123133320121223
513031240111042340243
6145551435112253551
76351224053061113
oct703343337703153
9131752726643354
1031023010121323
11998086a499740
1235905733a12b7
1314405c38cba9c
14793743798043
1538bea669dd9d
hex1c371b7f866b

31023010121323 has 8 divisors (see below), whose sum is σ = 34251034176576. Its totient is φ = 27862944467400.

The previous prime is 31023010121293. The next prime is 31023010121339. The reversal of 31023010121323 is 32312101032013.

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 31023010121323 - 25 = 31023010121291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31023010121294 and 31023010121303.

It is not an unprimeable number, because it can be changed into a prime (31023010121123) 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, 16989599373 + ... + 16989601198.

It is an arithmetic number, because the mean of its divisors is an integer number (4281379272072).

Almost surely, 231023010121323 is an apocalyptic number.

31023010121323 is a deficient number, since it is larger than the sum of its proper divisors (3228024055253).

31023010121323 is a wasteful number, since it uses less digits than its factorization.

31023010121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979200665.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31023010121323 its reverse (32312101032013), we get a palindrome (63335111153336).

The spelling of 31023010121323 in words is "thirty-one trillion, twenty-three billion, ten million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 11 83 913 33979200571 373771206281 2820273647393 31023010121323