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131020213223104 = 262099839749317
BaseRepresentation
bin11101110010100110000101…
…010001000111111011000000
3122011220102001221011211121121
4131302212011101013323000
5114133113344041114404
61142353504404002024
736411620011054222
oct3562460521077300
9564812057154547
10131020213223104
11388243a6746887
1212840718390314
1358151cb46256a
14244d5aad52412
15102320a647e54
hex772985447ec0

131020213223104 has 28 divisors (see below), whose sum is σ = 259994500445824. Its totient is φ = 65509787913984.

The previous prime is 131020213223093. The next prime is 131020213223111. The reversal of 131020213223104 is 401322312020131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8564254 + ... + 18313570.

Almost surely, 2131020213223104 is an apocalyptic number.

It is an amenable number.

131020213223104 is a deficient number, since it is larger than the sum of its proper divisors (128974287222720).

131020213223104 is an equidigital number, since it uses as much as digits as its factorization.

131020213223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959312 (or 9959302 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131020213223104 its reverse (401322312020131), we get a palindrome (532342525243235).

The spelling of 131020213223104 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 209983 419966 839932 1679864 3359728 6719456 9749317 13438912 19498634 38997268 77994536 155989072 311978144 623956288 2047190831611 4094381663222 8188763326444 16377526652888 32755053305776 65510106611552 131020213223104