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131020443023123 = 3724307314568023
BaseRepresentation
bin11101110010100110010010…
…111101101111011100010011
3122011220102122221120212222102
4131302212102331233130103
5114133114331403214443
61142353543253231015
736411625501245143
oct3562462275573423
9564812587525872
10131020443023123
1138824504432a55
121284078133246b
135815236c517c4
14244d5cd690923
1510232208dbcb8
hex772992f6f713

131020443023123 has 8 divisors (see below), whose sum is σ = 134562098899488. Its totient is φ = 127478816769024.

The previous prime is 131020443023111. The next prime is 131020443023131. The reversal of 131020443023123 is 321320344020131.

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 131020443023123 - 210 = 131020443022099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131020443020123) 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, 1709690 + ... + 16277712.

It is an arithmetic number, because the mean of its divisors is an integer number (16820262362436).

Almost surely, 2131020443023123 is an apocalyptic number.

131020443023123 is a deficient number, since it is larger than the sum of its proper divisors (3541655876365).

131020443023123 is a wasteful number, since it uses less digits than its factorization.

131020443023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811133.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131020443023123 its reverse (321320344020131), we get a palindrome (452340787043254).

The spelling of 131020443023123 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, twenty-three thousand, one hundred twenty-three".

Divisors: 1 37 243073 8993701 14568023 539016851 3541093054679 131020443023123