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231303131110 = 2557174045883
BaseRepresentation
bin1101011101101010111…
…1011010111111100110
3211010000220122111200201
43113122233122333212
512242202100143420
6254131552501114
722465623113632
oct3273257327746
9733026574621
10231303131110
118a105650997
12389b2b4a79a
1318a7267746c
14b2a3623dc2
15603b6ab10a
hex35dabdafe6

231303131110 has 16 divisors (see below), whose sum is σ = 416418564816. Its totient is φ = 92505046048.

The previous prime is 231303131099. The next prime is 231303131161. The reversal of 231303131110 is 11131303132.

It is a super-2 number, since 2×2313031311102 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1965772 + ... + 2080111.

It is an arithmetic number, because the mean of its divisors is an integer number (26026160301).

Almost surely, 2231303131110 is an apocalyptic number.

231303131110 is a deficient number, since it is larger than the sum of its proper divisors (185115433706).

231303131110 is a wasteful number, since it uses less digits than its factorization.

231303131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051607.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231303131110 its reverse (11131303132), we get a palindrome (242434434242).

The spelling of 231303131110 in words is "two hundred thirty-one billion, three hundred three million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 5717 11434 28585 57170 4045883 8091766 20229415 40458830 23130313111 46260626222 115651565555 231303131110