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131210111233331 = 1392930637354619
BaseRepresentation
bin11101110101010110111100…
…000100100010110100110011
3122012120120020020210021022122
4131311112330010202310303
5114144221301433431311
61143021032025224455
736431421605366054
oct3565267404426463
9565516206707278
10131210111233331
11388979941725a9
121287149493212b
13582a0a2904ba0
14245886352272b
151028121cb50db
hex7755bc122d33

131210111233331 has 16 divisors (see below), whose sum is σ = 141460315231200. Its totient is φ = 120982362006528.

The previous prime is 131210111233309. The next prime is 131210111233381. The reversal of 131210111233331 is 133332111012131.

It is a cyclic number.

It is not a de Polignac number, because 131210111233331 - 234 = 131192931364147 is a prime.

It is a super-2 number, since 2×1312101112333312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131210111233331.

It is not an unprimeable number, because it can be changed into a prime (131210111233381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369825740 + ... + 370180358.

It is an arithmetic number, because the mean of its divisors is an integer number (8841269701950).

Almost surely, 2131210111233331 is an apocalyptic number.

131210111233331 is a deficient number, since it is larger than the sum of its proper divisors (10250203997869).

131210111233331 is a wasteful number, since it uses less digits than its factorization.

131210111233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386198.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 131210111233331 its reverse (133332111012131), we get a palindrome (264542222245462).

The spelling of 131210111233331 in words is "one hundred thirty-one trillion, two hundred ten billion, one hundred eleven million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 13 929 12077 30637 354619 398281 4610047 28461773 329441051 370003049 4282733663 10864462303 141238009939 10093085479487 131210111233331