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131012133011244 = 22325368664639943
BaseRepresentation
bin11101110010011110100011…
…101001100011111100101100
3122011212122012210211112201200
4131302132203221203330230
5114133000322022324434
61142350050521005500
736411212534306232
oct3562364351437454
9564778183745650
10131012133011244
1138820a2a673041
121283b042323890
135814511416804
14244d041b68952
151022dd60a6199
hex7727a3a63f2c

131012133011244 has 36 divisors (see below), whose sum is σ = 337418040684816. Its totient is φ = 42846735323808.

The previous prime is 131012133011213. The next prime is 131012133011327. The reversal of 131012133011244 is 442110331210131.

131012133011244 is a `hidden beast` number, since 1 + 3 + 101 + 2 + 13 + 301 + 1 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34332318064 + ... + 34332321879.

It is an arithmetic number, because the mean of its divisors is an integer number (9372723352356).

Almost surely, 2131012133011244 is an apocalyptic number.

It is an amenable number.

131012133011244 is an abundant number, since it is smaller than the sum of its proper divisors (206405907673572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131012133011244 is a wasteful number, since it uses less digits than its factorization.

131012133011244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68664640006 (or 68664640001 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131012133011244 its reverse (442110331210131), we get a palindrome (573122464221375).

The spelling of 131012133011244 in words is "one hundred thirty-one trillion, twelve billion, one hundred thirty-three million, eleven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 68664639943 137329279886 205993919829 274658559772 411987839658 617981759487 823975679316 1235963518974 2471927037948 3639225916979 7278451833958 10917677750937 14556903667916 21835355501874 32753033252811 43670711003748 65506066505622 131012133011244