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2031313131110 = 254127120119091
BaseRepresentation
bin11101100011110011101…
…100101001011001100110
321012012011201000201120202
4131203303230221121212
5231240112130143420
64153101122030502
7266520555504344
oct35436354513146
97165151021522
102031313131110
1171352534073a
122898227a8432
131197239b1213
147045d476994
1537c8c03c575
hex1d8f3b29666

2031313131110 has 64 divisors (see below), whose sum is σ = 3761647561728. Its totient is φ = 789302880000.

The previous prime is 2031313131097. The next prime is 2031313131119. The reversal of 2031313131110 is 111313131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031313131119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223437665 + ... + 223446755.

It is an arithmetic number, because the mean of its divisors is an integer number (58775743152).

Almost surely, 22031313131110 is an apocalyptic number.

2031313131110 is a deficient number, since it is larger than the sum of its proper divisors (1730334430618).

2031313131110 is a wasteful number, since it uses less digits than its factorization.

2031313131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11421.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 2031313131110 its reverse (111313131302), we get a palindrome (2142626262412).

The spelling of 2031313131110 in words is "two trillion, thirty-one billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 41 82 205 271 410 542 1355 2011 2710 4022 9091 10055 11111 18182 20110 22222 45455 55555 82451 90910 111110 164902 372731 412255 544981 745462 824510 1089962 1863655 2463661 2724905 3727310 4927322 5449810 12318305 18282001 22344221 24636610 36564002 44688442 91410005 101010101 111721105 182820010 202020202 223442210 505050505 749562041 1010101010 1499124082 3747810205 4954422271 7495620410 9908844542 24772111355 49544222710 203131313111 406262626222 1015656565555 2031313131110