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1302122121131 = 131181824310289
BaseRepresentation
bin10010111100101100100…
…001101100011110101011
311121111000010111101011002
4102330230201230132223
5132313221230334011
62434104152025215
7163034541260426
oct22745441543653
94544003441132
101302122121131
11462254a9a207
1219043a09220b
1395a3595c010
14470473529bd
1523d103abc3b
hex12f2c86c7ab

1302122121131 has 16 divisors (see below), whose sum is σ = 1403779416480. Its totient is φ = 1200678735360.

The previous prime is 1302122121119. The next prime is 1302122121137. The reversal of 1302122121131 is 1311212212031.

It is not a de Polignac number, because 1302122121131 - 26 = 1302122121067 is a prime.

It is a super-3 number, since 3×13021221211313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302122121137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126549635 + ... + 126559923.

It is an arithmetic number, because the mean of its divisors is an integer number (87736213530).

Almost surely, 21302122121131 is an apocalyptic number.

1302122121131 is a deficient number, since it is larger than the sum of its proper divisors (101657295349).

1302122121131 is a wasteful number, since it uses less digits than its factorization.

1302122121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19726.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1302122121131 its reverse (1311212212031), we get a palindrome (2613334333162).

The spelling of 1302122121131 in words is "one trillion, three hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 13 1181 8243 10289 15353 107159 133757 9734983 12151309 84812227 126554779 157967017 1102558951 100163240087 1302122121131