Base | Representation |
---|---|
bin | 11101110111010010111110… |
… | …111111100000110111101111 |
3 | 122020001022000200220200021101 |
4 | 131313102332333200313233 |
5 | 114203412041340414211 |
6 | 1143202140405343531 |
7 | 36444145343244514 |
oct | 3567227677406757 |
9 | 566038020820241 |
10 | 131343304232431 |
11 | 38939423143165 |
12 | 12893266a07ba7 |
13 | 583980b1667a5 |
14 | 246109aab330b |
15 | 102b81a0e25c1 |
hex | 7774befe0def |
131343304232431 has 8 divisors (see below), whose sum is σ = 131498343008640. Its totient is φ = 131188272043392.
The previous prime is 131343304232411. The next prime is 131343304232443. The reversal of 131343304232431 is 134232403343131.
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 131343304232431 - 225 = 131343270677999 is a prime.
It is a super-2 number, since 2×1313433042324312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131343304232411) 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, 38842291 + ... + 42088123.
It is an arithmetic number, because the mean of its divisors is an integer number (16437292876080).
Almost surely, 2131343304232431 is an apocalyptic number.
131343304232431 is a deficient number, since it is larger than the sum of its proper divisors (155038776209).
131343304232431 is an equidigital number, since it uses as much as digits as its factorization.
131343304232431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3293585.
The product of its (nonzero) digits is 186624, while the sum is 37.
Adding to 131343304232431 its reverse (134232403343131), we get a palindrome (265575707575562).
The spelling of 131343304232431 in words is "one hundred thirty-one trillion, three hundred forty-three billion, three hundred four million, two hundred thirty-two thousand, four hundred thirty-one".
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