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31031010110 = 2525741928817
BaseRepresentation
bin11100111001100101…
…111010001100111110
32222002121022122100202
4130321211322030332
51002022414310420
622131102123502
72145656143142
oct347145721476
988077278322
1031031010110
1112184218201
126020280592
132c06b6bc59
141705349222
15c193d3575
hex73997a33e

31031010110 has 32 divisors (see below), whose sum is σ = 56208932640. Its totient is φ = 12334170112.

The previous prime is 31031010091. The next prime is 31031010191. The reversal of 31031010110 is 1101013013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31031010091 and 31031010100.

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, 1062422 + ... + 1091238.

It is an arithmetic number, because the mean of its divisors is an integer number (1756529145).

Almost surely, 231031010110 is an apocalyptic number.

31031010110 is a deficient number, since it is larger than the sum of its proper divisors (25177922530).

31031010110 is a wasteful number, since it uses less digits than its factorization.

31031010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29500.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 31031010110 its reverse (1101013013), we get a palindrome (32132023123).

The spelling of 31031010110 in words is "thirty-one billion, thirty-one million, ten thousand, one hundred ten".

Divisors: 1 2 5 10 257 419 514 838 1285 2095 2570 4190 28817 57634 107683 144085 215366 288170 538415 1076830 7405969 12074323 14811938 24148646 37029845 60371615 74059690 120743230 3103101011 6206202022 15515505055 31031010110