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231211440114 = 23171679224461
BaseRepresentation
bin1101011101010101000…
…1101001011111110010
3211002210112010010021220
43113111101221133302
512242010112040424
6254114515325510
722463430546144
oct3272521513762
9732715103256
10231211440114
118a068915106
12389882b0896
1318a59682935
14b295396c94
1560335e8579
hex35d54697f2

231211440114 has 16 divisors (see below), whose sum is σ = 462427633920. Its totient is φ = 77069687760.

The previous prime is 231211440071. The next prime is 231211440127. The reversal of 231211440114 is 411044112132.

It is a happy 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, 917844 + ... + 1142304.

It is an arithmetic number, because the mean of its divisors is an integer number (28901727120).

Almost surely, 2231211440114 is an apocalyptic number.

231211440114 is an abundant number, since it is smaller than the sum of its proper divisors (231216193806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231211440114 is a wasteful number, since it uses less digits than its factorization.

231211440114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396145.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 231211440114 its reverse (411044112132), we get a palindrome (642255552246).

The spelling of 231211440114 in words is "two hundred thirty-one billion, two hundred eleven million, four hundred forty thousand, one hundred fourteen".

Divisors: 1 2 3 6 171679 224461 343358 448922 515037 673383 1030074 1346766 38535240019 77070480038 115605720057 231211440114