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1020002302231 = 113371275721569
BaseRepresentation
bin11101101011111001101…
…11111111100100010111
310121111210201021122210121
432311330313333210113
5113202431042132411
62100325501132411
7133456415341663
oct16657467774427
93544721248717
101020002302231
11363642787690
1214582485a107
137525529b333
1437522b6b8a3
151b7ec7d9571
hexed7cdff917

1020002302231 has 16 divisors (see below), whose sum is σ = 1116170883360. Its totient is φ = 924407930880.

The previous prime is 1020002302229. The next prime is 1020002302247. The reversal of 1020002302231 is 1322032000201.

It is not a de Polignac number, because 1020002302231 - 21 = 1020002302229 is a prime.

It is a super-2 number, since 2×10200023022312 (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 (1020002302261) 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, 47279415 + ... + 47300983.

It is an arithmetic number, because the mean of its divisors is an integer number (69760680210).

Almost surely, 21020002302231 is an apocalyptic number.

1020002302231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020002302231 is a deficient number, since it is larger than the sum of its proper divisors (96168581129).

1020002302231 is a wasteful number, since it uses less digits than its factorization.

1020002302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34674.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020002302231 its reverse (1322032000201), we get a palindrome (2342034302432).

The spelling of 1020002302231 in words is "one trillion, twenty billion, two million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 11 337 3707 12757 21569 140327 237259 4299109 7268753 47290199 79956283 275155733 3026713063 92727482021 1020002302231