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131166212441 = 1153224984927
BaseRepresentation
bin111101000101000011…
…1011001000101011001
3110112120012100222100012
41322022013121011121
54122112022244231
6140131255051305
712322264260425
oct1721207310531
9415505328305
10131166212441
11506999a8870
1221507370b35
13c4a4699074
1464c4321b85
15362a427e2b
hex1e8a1d9159

131166212441 has 8 divisors (see below), whose sum is σ = 145790233344. Its totient is φ = 116992161520.

The previous prime is 131166212413. The next prime is 131166212449. The reversal of 131166212441 is 144212661131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131166212441 - 222 = 131162018137 is a prime.

It is a super-2 number, since 2×1311662124412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131166212398 and 131166212407.

It is not an unprimeable number, because it can be changed into a prime (131166212449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112491881 + ... + 112493046.

It is an arithmetic number, because the mean of its divisors is an integer number (18223779168).

Almost surely, 2131166212441 is an apocalyptic number.

131166212441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131166212441 is a deficient number, since it is larger than the sum of its proper divisors (14624020903).

131166212441 is a wasteful number, since it uses less digits than its factorization.

131166212441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224984991.

The product of its digits is 6912, while the sum is 32.

Adding to 131166212441 its reverse (144212661131), we get a palindrome (275378873572).

The spelling of 131166212441 in words is "one hundred thirty-one billion, one hundred sixty-six million, two hundred twelve thousand, four hundred forty-one".

Divisors: 1 11 53 583 224984927 2474834197 11924201131 131166212441