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231023313011102 = 23114514649552379
BaseRepresentation
bin110100100001110101001110…
…100000011100000110011110
31010021222121112220021220122012
4310201311032200130012132
5220240041221112323402
62135202351141551222
766442612030052333
oct6441651640340636
91107877486256565
10231023313011102
116767a48947a617
1221ab1a48115512
139bba53585ab91
14410983370498a
151ba96a711d452
hexd21d4e81c19e

231023313011102 has 32 divisors (see below), whose sum is σ = 358037691264000. Its totient is φ = 111684203064000.

The previous prime is 231023313011093. The next prime is 231023313011143. The reversal of 231023313011102 is 201110313320132.

It is a super-2 number, since 2×2310233130111022 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417957149 + ... + 418509527.

It is an arithmetic number, because the mean of its divisors is an integer number (11188677852000).

Almost surely, 2231023313011102 is an apocalyptic number.

231023313011102 is a deficient number, since it is larger than the sum of its proper divisors (127014378252898).

231023313011102 is a wasteful number, since it uses less digits than its factorization.

231023313011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558512.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231023313011102 its reverse (201110313320132), we get a palindrome (432133626331234).

The spelling of 231023313011102 in words is "two hundred thirty-one trillion, twenty-three billion, three hundred thirteen million, eleven thousand, one hundred two".

Divisors: 1 2 31 62 1451 2902 4649 9298 44981 89962 144119 288238 552379 1104758 6745699 13491398 17123749 34247498 209116669 418233338 801501929 1603003858 2568009971 5136019942 24846559799 49693119598 79608309101 159216618202 3726182467921 7452364935842 115511656505551 231023313011102