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1302123103131 = 31011142927607
BaseRepresentation
bin10010111100101100100…
…101011100001110011011
311121111000012100021012110
4102330230211130032123
5132313222003300011
62434104225043403
7163034552520414
oct22745445341633
94544005307173
101302123103131
114622555aaa84
1219043a486563
1395a35c13c96
144704752a80b
1523d10502ba6
hex12f2c95c39b

1302123103131 has 8 divisors (see below), whose sum is σ = 1736335888384. Its totient is φ = 867996193320.

The previous prime is 1302123103117. The next prime is 1302123103147. The reversal of 1302123103131 is 1313013212031.

It is a happy number.

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

It is not a de Polignac number, because 1302123103131 - 225 = 1302089548699 is a prime.

It is a super-2 number, since 2×13021231031312 (a number of 25 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 = 1302123103098 and 1302123103107.

It is not an unprimeable number, because it can be changed into a prime (1302123903131) 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, 21433471 + ... + 21494136.

It is an arithmetic number, because the mean of its divisors is an integer number (217041986048).

Almost surely, 21302123103131 is an apocalyptic number.

1302123103131 is a deficient number, since it is larger than the sum of its proper divisors (434212785253).

1302123103131 is a wasteful number, since it uses less digits than its factorization.

1302123103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42937721.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1302123103131 its reverse (1313013212031), we get a palindrome (2615136315162).

The spelling of 1302123103131 in words is "one trillion, three hundred two billion, one hundred twenty-three million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 3 10111 30333 42927607 128782821 434041034377 1302123103131