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31310201130 = 2351380282567
BaseRepresentation
bin11101001010001110…
…111100000100101010
32222211001200000102220
4131022032330010222
51003110402414010
622214514134510
72155616214135
oct351216740452
988731600386
1031310201130
111230787958a
126099881436
132c4c962340
14173046321c
15c33b81970
hex74a3bc12a

31310201130 has 32 divisors (see below), whose sum is σ = 80924828544. Its totient is φ = 7707126336.

The previous prime is 31310201029. The next prime is 31310201147. The reversal of 31310201130 is 3110201313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40140894 + ... + 40141673.

It is an arithmetic number, because the mean of its divisors is an integer number (2528900892).

Almost surely, 231310201130 is an apocalyptic number.

31310201130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31310201130 is an abundant number, since it is smaller than the sum of its proper divisors (49614627414).

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

31310201130 is a wasteful number, since it uses less digits than its factorization.

31310201130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80282590.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31310201130 its reverse (3110201313), we get a palindrome (34420402443).

The spelling of 31310201130 in words is "thirty-one billion, three hundred ten million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 80282567 160565134 240847701 401412835 481695402 802825670 1043673371 1204238505 2087346742 2408477010 3131020113 5218366855 6262040226 10436733710 15655100565 31310201130