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231020201002 = 24316931586699
BaseRepresentation
bin1101011100100111100…
…0001000010000101010
3211002022012021011112211
43113021320020100222
512241112132413002
6254043524355334
722455616210543
oct3271170102052
9732265234484
10231020201002
1189a7a976358
1238934245b4a
1318a28b751b6
14b277c154ca
15602191edd7
hex35c9e0842a

231020201002 has 16 divisors (see below), whose sum is σ = 354798813600. Its totient is φ = 112757106672.

The previous prime is 231020200973. The next prime is 231020201033. The reversal of 231020201002 is 200102020132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647752 + ... + 938947.

It is an arithmetic number, because the mean of its divisors is an integer number (22174925850).

Almost surely, 2231020201002 is an apocalyptic number.

231020201002 is a deficient number, since it is larger than the sum of its proper divisors (123778612598).

231020201002 is a wasteful number, since it uses less digits than its factorization.

231020201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588437.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 231020201002 its reverse (200102020132), we get a palindrome (431122221134).

The spelling of 231020201002 in words is "two hundred thirty-one billion, twenty million, two hundred one thousand, two".

Divisors: 1 2 43 86 1693 3386 72799 145598 1586699 3173398 68228057 136456114 2686281407 5372562814 115510100501 231020201002