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10031211331 = 29418436679
BaseRepresentation
bin10010101011110100…
…00010001101000011
3221220002111100000121
421111322002031003
5131020442230311
64335215401111
7503403614041
oct112572021503
927802440017
1010031211331
1142883a25a9
121b3b523197
13c3b2c790b
146b2369391
153da9c5b71
hex255e82343

10031211331 has 8 divisors (see below), whose sum is σ = 10630216800. Its totient is φ = 9449079360.

The previous prime is 10031211287. The next prime is 10031211343. The reversal of 10031211331 is 13311213001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10031211331 - 211 = 10031209283 is a prime.

It is a super-2 number, since 2×100312113312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10031211431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4217151 + ... + 4219528.

It is an arithmetic number, because the mean of its divisors is an integer number (1328777100).

Almost surely, 210031211331 is an apocalyptic number.

10031211331 is a deficient number, since it is larger than the sum of its proper divisors (599005469).

10031211331 is an equidigital number, since it uses as much as digits as its factorization.

10031211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436749.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10031211331 its reverse (13311213001), we get a palindrome (23342424332).

The spelling of 10031211331 in words is "ten billion, thirty-one million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 29 41 1189 8436679 244663691 345903839 10031211331