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30631315011 = 3112234339613
BaseRepresentation
bin11100100001110001…
…001100011001000011
32221001202020000202120
4130201301030121003
51000213104040021
622023303215323
72133033611253
oct344161143103
987052200676
1030631315011
1111a99640380
125b2a447543
132b7210638b
1416a8223963
15be42802c6
hex721c4c643

30631315011 has 32 divisors (see below), whose sum is σ = 44862461952. Its totient is φ = 18436584960.

The previous prime is 30631314997. The next prime is 30631315019. The reversal of 30631315011 is 11051313603.

It is not a de Polignac number, because 30631315011 - 29 = 30631314499 is a prime.

It is a super-2 number, since 2×306313150112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30631315019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3181641 + ... + 3191253.

It is an arithmetic number, because the mean of its divisors is an integer number (1401951936).

Almost surely, 230631315011 is an apocalyptic number.

30631315011 is a deficient number, since it is larger than the sum of its proper divisors (14231146941).

30631315011 is a wasteful number, since it uses less digits than its factorization.

30631315011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 30631315011 its reverse (11051313603), we get a palindrome (41682628614).

The spelling of 30631315011 in words is "thirty billion, six hundred thirty-one million, three hundred fifteen thousand, eleven".

Divisors: 1 3 11 33 223 433 669 1299 2453 4763 7359 9613 14289 28839 96559 105743 289677 317229 1062149 2143699 3186447 4162429 6431097 12487287 23580689 45786719 70742067 137360157 928221667 2784665001 10210438337 30631315011