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231310131003 = 3374726039641
BaseRepresentation
bin1101011101101100101…
…0000111111100111011
3211010001101211010202000
43113123022013330323
512242210343143003
6254132402512043
722466036446530
oct3273312077473
9733041733660
10231310131003
118a1095a2026
12389b5365623
1318a73c58603
14b2a4526d87
15603c0e01a3
hex35db287f3b

231310131003 has 32 divisors (see below), whose sum is σ = 399968901120. Its totient is φ = 129364931520.

The previous prime is 231310130993. The next prime is 231310131011. The reversal of 231310131003 is 300131013132.

It is a happy number.

It is not a de Polignac number, because 231310131003 - 28 = 231310130747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231310131023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13010938 + ... + 13028703.

It is an arithmetic number, because the mean of its divisors is an integer number (12499028160).

Almost surely, 2231310131003 is an apocalyptic number.

231310131003 is a deficient number, since it is larger than the sum of its proper divisors (168658770117).

231310131003 is a wasteful number, since it uses less digits than its factorization.

231310131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26039704 (or 26039698 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 231310131003 its reverse (300131013132), we get a palindrome (531441144135).

The spelling of 231310131003 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty-one thousand, three".

Divisors: 1 3 7 9 21 27 47 63 141 189 329 423 987 1269 2961 8883 26039641 78118923 182277487 234356769 546832461 703070307 1223863127 1640497383 3671589381 4921492149 8567041889 11014768143 25701125667 33044304429 77103377001 231310131003