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131313131232986 = 22918712522947963
BaseRepresentation
bin11101110110110110111000…
…100010101001111011011010
3122012221102010220002111021102
4131312312320202221323122
5114202413243043423421
61143140230353311402
736442026543055223
oct3566667042517332
9565842126074242
10131313131232986
113892764a28908a
1212889445b65562
135836a0ccac071
14245d8376b424a
15102ab511e460b
hex776db88a9eda

131313131232986 has 32 divisors (see below), whose sum is σ = 203882992185600. Its totient is φ = 63354832192960.

The previous prime is 131313131232953. The next prime is 131313131233003. The reversal of 131313131232986 is 689232131313131.

It is a happy number.

It is a super-2 number, since 2×1313131312329862 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131313131232986.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2737776641 + ... + 2737824603.

It is an arithmetic number, because the mean of its divisors is an integer number (6371343505800).

Almost surely, 2131313131232986 is an apocalyptic number.

131313131232986 is a deficient number, since it is larger than the sum of its proper divisors (72569860952614).

131313131232986 is a wasteful number, since it uses less digits than its factorization.

131313131232986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75094.

The product of its digits is 419904, while the sum is 47.

The spelling of 131313131232986 in words is "one hundred thirty-one trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, nine hundred eighty-six".

Divisors: 1 2 29 58 1871 3742 25229 47963 50458 54259 95926 108518 731641 1390927 1463282 2781854 47203459 89738773 94406918 179477546 1210058527 1368900311 2420117054 2602424417 2737800622 5204848834 35091697283 70183394566 2264019504017 4528039008034 65656565616493 131313131232986