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131012011222 = 2103761835717
BaseRepresentation
bin111101000000011101…
…1001010010011010110
3110112011110012202000221
41322000323022103112
54121303033324342
6140104110024554
712315412502251
oct1720073122326
9415143182027
10131012011222
115061a957144
12214837a815a
13c47b758b41
1464aba62098
15361bb18a67
hex1e80eca4d6

131012011222 has 16 divisors (see below), whose sum is σ = 198686940192. Its totient is φ = 64784704320.

The previous prime is 131012011199. The next prime is 131012011243. The reversal of 131012011222 is 222110210131.

It is a junction number, because it is equal to n+sod(n) for n = 131012011196 and 131012011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261093 + ... + 574624.

It is an arithmetic number, because the mean of its divisors is an integer number (12417933762).

Almost surely, 2131012011222 is an apocalyptic number.

131012011222 is a deficient number, since it is larger than the sum of its proper divisors (67674928970).

131012011222 is a wasteful number, since it uses less digits than its factorization.

131012011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836583.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131012011222 its reverse (222110210131), we get a palindrome (353122221353).

The spelling of 131012011222 in words is "one hundred thirty-one billion, twelve million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 103 206 761 1522 78383 156766 835717 1671434 86078851 172157702 635980637 1271961274 65506005611 131012011222