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131223033244041 = 3298211837162883
BaseRepresentation
bin11101110101100010111110…
…010010000110100110001001
3122012121210120210211102120220
4131311202332102012212021
5114144424233002302131
61143031010152540253
736432360043563504
oct3565427622064611
9565553523742526
10131223033244041
11388a241531a4a2
1212873aa03b1689
13582b381a9b77b
14245932b78a13b
15102862b45de96
hex7758be486989

131223033244041 has 16 divisors (see below), whose sum is σ = 181217746877760. Its totient is φ = 84362519541440.

The previous prime is 131223033244031. The next prime is 131223033244087. The reversal of 131223033244041 is 140442330322131.

It is a cyclic number.

It is not a de Polignac number, because 131223033244041 - 26 = 131223033243977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131223033243993 and 131223033244011.

It is not an unprimeable number, because it can be changed into a prime (131223033244031) 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, 918510015 + ... + 918652868.

It is an arithmetic number, because the mean of its divisors is an integer number (11326109179860).

Almost surely, 2131223033244041 is an apocalyptic number.

It is an amenable number.

131223033244041 is a deficient number, since it is larger than the sum of its proper divisors (49994713633719).

131223033244041 is a wasteful number, since it uses less digits than its factorization.

131223033244041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837163736.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131223033244041 its reverse (140442330322131), we get a palindrome (271665363566172).

The spelling of 131223033244041 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, thirty-three million, two hundred forty-four thousand, forty-one".

Divisors: 1 3 29 87 821 2463 23809 71427 1837162883 5511488649 53277723607 159833170821 1508310726943 4524932180829 43741011081347 131223033244041