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131303203300033 = 109157307281409
BaseRepresentation
bin11101110110101101101000…
…110010100110001011000001
3122012220110111222221020112221
4131312231220302212023001
5114202232430021100113
61143131505303251041
736441225532036252
oct3566555062461301
9565813458836487
10131303203300033
1138923415217116
1212887535149a81
135835aba20521b
14245d174d50b29
15102a76e81e98d
hex776b68ca62c1

131303203300033 has 24 divisors (see below), whose sum is σ = 133789247730600. Its totient is φ = 128847275900928.

The previous prime is 131303203300021. The next prime is 131303203300067. The reversal of 131303203300033 is 330003302303131.

It can be written as a sum of positive squares in 4 ways, for example, as 12586118526864 + 118717084773169 = 3547692^2 + 10895737^2 .

It is a de Polignac number, because none of the positive numbers 2k-131303203300033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131303203299980 and 131303203300007.

It is not an unprimeable number, because it can be changed into a prime (131303203300333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612842433 + ... + 1612923841.

It is an arithmetic number, because the mean of its divisors is an integer number (5574551988775).

Almost surely, 2131303203300033 is an apocalyptic number.

It is an amenable number.

131303203300033 is a deficient number, since it is larger than the sum of its proper divisors (2486044430567).

131303203300033 is an equidigital number, since it uses as much as digits as its factorization.

131303203300033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82289 (or 81982 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 131303203300033 its reverse (330003302303131), we get a palindrome (461306505603164).

The spelling of 131303203300033 in words is "one hundred thirty-one trillion, three hundred three billion, two hundred three million, three hundred thousand, thirty-three".

Divisors: 1 109 157 307 17113 33463 48199 81409 94249 5253691 8873581 10273141 12781213 14797093 24992563 1393152217 1612883137 2724189367 3923832391 7672716841 427697730619 836326135669 1204616544037 131303203300033