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100030322431 = 1322517393191
BaseRepresentation
bin101110100101001000…
…1011001011011111111
3100120012021200212210201
41131022101121123333
53114330230304211
6113541524544331
710140562466044
oct1351221313377
9316167625721
10100030322431
1139471566866
1217477b520a7
139581b98400
144bad0b51cb
152906c290c1
hex174a4596ff

100030322431 has 24 divisors (see below), whose sum is σ = 108929681280. Its totient is φ = 91814580000.

The previous prime is 100030322417. The next prime is 100030322449. The reversal of 100030322431 is 134223030001.

It is not a de Polignac number, because 100030322431 - 27 = 100030322303 is a prime.

It is a super-2 number, since 2×1000303224312 (a number of 23 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 = 100030322399 and 100030322408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030322731) 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, 31346046 + ... + 31349236.

It is an arithmetic number, because the mean of its divisors is an integer number (4538736720).

Almost surely, 2100030322431 is an apocalyptic number.

100030322431 is a deficient number, since it is larger than the sum of its proper divisors (8899358849).

100030322431 is a wasteful number, since it uses less digits than its factorization.

100030322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4194 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100030322431 its reverse (134223030001), we get a palindrome (234253352432).

The spelling of 100030322431 in words is "one hundred billion, thirty million, three hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 13 169 251 739 3191 3263 9607 41483 42419 124891 185489 539279 800941 2358149 2411357 10412233 30655937 31347641 135359029 398527181 591895399 7694640187 100030322431