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131022031322 = 2713859838069
BaseRepresentation
bin111101000000110000…
…1011000100111011010
3110112012011001211000202
41322001201120213122
54121313120000242
6140105104502202
712315563614340
oct1720141304732
9415164054022
10131022031322
1150625580416
122148701a962
13c4808568b0
1464ad10d990
15361c947932
hex1e818589da

131022031322 has 32 divisors (see below), whose sum is σ = 242168707200. Its totient is φ = 51772488768.

The previous prime is 131022031313. The next prime is 131022031337. The reversal of 131022031322 is 223130220131.

It is a junction number, because it is equal to n+sod(n) for n = 131022031294 and 131022031303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262697 + ... + 575372.

It is an arithmetic number, because the mean of its divisors is an integer number (7567772100).

Almost surely, 2131022031322 is an apocalyptic number.

131022031322 is a deficient number, since it is larger than the sum of its proper divisors (111146675878).

131022031322 is a wasteful number, since it uses less digits than its factorization.

131022031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838950.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131022031322 its reverse (223130220131), we get a palindrome (354152251453).

The spelling of 131022031322 in words is "one hundred thirty-one billion, twenty-two million, thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 182 859 1718 6013 11167 12026 22334 78169 156338 838069 1676138 5866483 10894897 11732966 21789794 76264279 152528558 719901271 1439802542 5039308897 9358716523 10078617794 18717433046 65511015661 131022031322