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31313200010 = 2583127297061
BaseRepresentation
bin11101001010011010…
…011000001110001010
32222211021022101010112
4131022122120032022
51003112134400020
622215102314322
72155653544211
oct351232301612
988737271115
1031313200010
11123095376a4
12609a8889a2
132c50472321
141730a04078
15c340752c5
hex74a69838a

31313200010 has 32 divisors (see below), whose sum is σ = 57492191232. Its totient is φ = 12276895680.

The previous prime is 31313200001. The next prime is 31313200019. The reversal of 31313200010 is 1000231313.

It is an interprime number because it is at equal distance from previous prime (31313200001) and next prime (31313200019).

It is not an unprimeable number, because it can be changed into a prime (31313200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43121 + ... + 253940.

It is an arithmetic number, because the mean of its divisors is an integer number (1796630976).

Almost surely, 231313200010 is an apocalyptic number.

31313200010 is a deficient number, since it is larger than the sum of its proper divisors (26178991222).

31313200010 is a wasteful number, since it uses less digits than its factorization.

31313200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297278.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31313200010 its reverse (1000231313), we get a palindrome (32313431323).

The spelling of 31313200010 in words is "thirty-one billion, three hundred thirteen million, two hundred thousand, ten".

Divisors: 1 2 5 10 83 127 166 254 415 635 830 1270 10541 21082 52705 105410 297061 594122 1485305 2970610 24656063 37726747 49312126 75453494 123280315 188633735 246560630 377267470 3131320001 6262640002 15656600005 31313200010