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1302130112231 = 13100163854787
BaseRepresentation
bin10010111100101101000…
…000001011011011100111
311121111000200112100212202
4102330231000023123213
5132313230302042411
62434105035205115
7163034666222204
oct22745500133347
94544020470782
101302130112231
11462259558023
121904408a679b
1395a374c9390
1447048432cab
1523d10e3983b
hex12f2d00b6e7

1302130112231 has 4 divisors (see below), whose sum is σ = 1402293967032. Its totient is φ = 1201966257432.

The previous prime is 1302130112203. The next prime is 1302130112287. The reversal of 1302130112231 is 1322110312031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1302130112231 is a prime.

It is a super-2 number, since 2×13021301122312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302130112431) 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, 50081927381 + ... + 50081927406.

It is an arithmetic number, because the mean of its divisors is an integer number (350573491758).

Almost surely, 21302130112231 is an apocalyptic number.

1302130112231 is a deficient number, since it is larger than the sum of its proper divisors (100163854801).

1302130112231 is a wasteful number, since it uses less digits than its factorization.

1302130112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100163854800.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302130112231 its reverse (1322110312031), we get a palindrome (2624240424262).

The spelling of 1302130112231 in words is "one trillion, three hundred two billion, one hundred thirty million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 13 100163854787 1302130112231