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131101232033 = 949713804489
BaseRepresentation
bin111101000011000111…
…1100000101110100001
3110112101200002121222102
41322012033200232201
54121443403411113
6140121014220145
712320545041242
oct1720617405641
9415350077872
10131101232033
1150666256052
12214a9654655
13c494097215
1464b9848cc9
15362488e758
hex1e863e0ba1

131101232033 has 4 divisors (see below), whose sum is σ = 131115046020. Its totient is φ = 131087418048.

The previous prime is 131101232029. The next prime is 131101232047. The reversal of 131101232033 is 330232101131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71541805729 + 59559426304 = 267473^2 + 244048^2 .

It is a cyclic number.

It is not a de Polignac number, because 131101232033 - 22 = 131101232029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131101231996 and 131101232014.

It is not an unprimeable number, because it can be changed into a prime (131101232233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6892748 + ... + 6911741.

It is an arithmetic number, because the mean of its divisors is an integer number (32778761505).

Almost surely, 2131101232033 is an apocalyptic number.

It is an amenable number.

131101232033 is a deficient number, since it is larger than the sum of its proper divisors (13813987).

131101232033 is an equidigital number, since it uses as much as digits as its factorization.

131101232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813986.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131101232033 its reverse (330232101131), we get a palindrome (461333333164).

The spelling of 131101232033 in words is "one hundred thirty-one billion, one hundred one million, two hundred thirty-two thousand, thirty-three".

Divisors: 1 9497 13804489 131101232033