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31033132011 = 327492589397
BaseRepresentation
bin11100111001101110…
…000000001111101011
32222002202022110001200
4130321232000033223
51002023440211021
622131215415243
72146013161350
oct347156001753
988082273050
1031033132011
1112185437442
126020b24523
132c07432a0b
14170573c627
15c196a2126
hex739b803eb

31033132011 has 12 divisors (see below), whose sum is σ = 51229297392. Its totient is φ = 17733218256.

The previous prime is 31033131991. The next prime is 31033132037. The reversal of 31033132011 is 11023133013.

It is a happy number.

31033132011 is a `hidden beast` number, since 3 + 1 + 0 + 331 + 320 + 11 = 666.

It is not a de Polignac number, because 31033132011 - 217 = 31033000939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31033132061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246294636 + ... + 246294761.

It is an arithmetic number, because the mean of its divisors is an integer number (4269108116).

Almost surely, 231033132011 is an apocalyptic number.

31033132011 is a deficient number, since it is larger than the sum of its proper divisors (20196165381).

31033132011 is a wasteful number, since it uses less digits than its factorization.

31033132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492589410 (or 492589407 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31033132011 its reverse (11023133013), we get a palindrome (42056265024).

The spelling of 31033132011 in words is "thirty-one billion, thirty-three million, one hundred thirty-two thousand, eleven".

Divisors: 1 3 7 9 21 63 492589397 1477768191 3448125779 4433304573 10344377337 31033132011