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31313143414 = 2723293353303
BaseRepresentation
bin11101001010011010…
…001010011001110110
32222211021012111111101
4131022122022121312
51003112131042124
622215101200314
72155653220210
oct351232123166
988737174441
1031313143414
11123094a9123
12609a86009a
132c50452637
1417309cb5b0
15c34063644
hex74a68a676

31313143414 has 32 divisors (see below), whose sum is σ = 57945093120. Its totient is φ = 12393804192.

The previous prime is 31313143373. The next prime is 31313143427. The reversal of 31313143414 is 41434131313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667314 + ... + 1685989.

It is an arithmetic number, because the mean of its divisors is an integer number (1810784160).

Almost surely, 231313143414 is an apocalyptic number.

31313143414 is a deficient number, since it is larger than the sum of its proper divisors (26631949706).

31313143414 is a wasteful number, since it uses less digits than its factorization.

31313143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353364.

The product of its digits is 5184, while the sum is 28.

Adding to 31313143414 its reverse (41434131313), we get a palindrome (72747274727).

The spelling of 31313143414 in words is "thirty-one billion, three hundred thirteen million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 7 14 23 29 46 58 161 203 322 406 667 1334 4669 9338 3353303 6706606 23473121 46946242 77125969 97245787 154251938 194491574 539881783 680720509 1079763566 1361441018 2236653101 4473306202 15656571707 31313143414