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231143044034 = 2734721475511
BaseRepresentation
bin1101011101000100110…
…0101111001111000010
3211002121202102020111202
43113101030233033002
512241340104402114
6254104033341202
722461640312520
oct3272114571702
9732552366452
10231143044034
118a03324a121
1238969407802
1318a48456196
14b28a271310
15602c5d7cde
hex35d132f3c2

231143044034 has 16 divisors (see below), whose sum is σ = 396257463936. Its totient is φ = 99058243200.

The previous prime is 231143044031. The next prime is 231143044057. The reversal of 231143044034 is 430440341132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231143043988 and 231143044006.

It is not an unprimeable number, because it can be changed into a prime (231143044031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248339 + ... + 723849.

It is an arithmetic number, because the mean of its divisors is an integer number (24766091496).

Almost surely, 2231143044034 is an apocalyptic number.

231143044034 is a deficient number, since it is larger than the sum of its proper divisors (165114419902).

231143044034 is a wasteful number, since it uses less digits than its factorization.

231143044034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510241.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 231143044034 its reverse (430440341132), we get a palindrome (661583385166).

The spelling of 231143044034 in words is "two hundred thirty-one billion, one hundred forty-three million, forty-four thousand, thirty-four".

Divisors: 1 2 7 14 34721 69442 243047 475511 486094 951022 3328577 6657154 16510217431 33020434862 115571522017 231143044034