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121320303102031 = 1180021137827801
BaseRepresentation
bin11011100101011100010101…
…100100100000100001001111
3120220120002220111222221020111
4123211130111210200201033
5111400202440043231111
61110005440002300451
734361050131322045
oct3345342544404117
9526502814887214
10121320303102031
1135724719318470
1211734830057727
1352905bc944747
1421d5d10c80395
15e05c45c19a21
hex6e571592084f

121320303102031 has 8 divisors (see below), whose sum is σ = 132351076459728. Its totient is φ = 110289805560000.

The previous prime is 121320303102029. The next prime is 121320303102049. The reversal of 121320303102031 is 130201303023121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121320303102031 - 21 = 121320303102029 is a prime.

It is a super-2 number, since 2×1213203031020312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121320303101993 and 121320303102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320303102001) 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, 68033670 + ... + 69794131.

It is an arithmetic number, because the mean of its divisors is an integer number (16543884557466).

Almost surely, 2121320303102031 is an apocalyptic number.

121320303102031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121320303102031 is a deficient number, since it is larger than the sum of its proper divisors (11030773357697).

121320303102031 is a wasteful number, since it uses less digits than its factorization.

121320303102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137907833.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121320303102031 its reverse (130201303023121), we get a palindrome (251521606125152).

The spelling of 121320303102031 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred three million, one hundred two thousand, thirty-one".

Divisors: 1 11 80021 880231 137827801 1516105811 11029118463821 121320303102031