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131012211023030 = 252937109711130263
BaseRepresentation
bin11101110010011110101000…
…010011001001110010110110
3122011212122102020121221210002
4131302132220103021302312
5114133001002010214110
61142350102345031302
736411214502351651
oct3562365023116266
9564778366557702
10131012211023030
1138820a6a706497
121283b064485532
13581452462bc2c
14244d04c274898
151022ddcd65aa5
hex7727a84c9cb6

131012211023030 has 64 divisors (see below), whose sum is σ = 250775532973440. Its totient is φ = 49185429156864.

The previous prime is 131012211022999. The next prime is 131012211023039. The reversal of 131012211023030 is 30320112210131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131012211022993 and 131012211023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012211023039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6205679 + ... + 17335941.

It is an arithmetic number, because the mean of its divisors is an integer number (3918367702710).

Almost surely, 2131012211023030 is an apocalyptic number.

131012211023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131012211023030 is a deficient number, since it is larger than the sum of its proper divisors (119763321950410).

131012211023030 is a wasteful number, since it uses less digits than its factorization.

131012211023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131433.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131012211023030 its reverse (30320112210131), we get a palindrome (161332323233161).

The spelling of 131012211023030 in words is "one hundred thirty-one trillion, twelve billion, two hundred eleven million, twenty-three thousand, thirty".

Divisors: 1 2 5 10 29 37 58 74 145 185 290 370 1073 1097 2146 2194 5365 5485 10730 10970 31813 40589 63626 81178 159065 202945 318130 405890 1177081 2354162 5885405 11130263 11770810 22260526 55651315 111302630 322777627 411819731 645555254 823639462 1613888135 2059098655 3227776270 4118197310 11942772199 12209898511 23885544398 24419797022 59713860995 61049492555 119427721990 122098985110 354087056819 451766244907 708174113638 903532489814 1770435284095 2258831224535 3540870568190 4517662449070 13101221102303 26202442204606 65506105511515 131012211023030