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31003441012 = 2265851117703
BaseRepresentation
bin11100110111111100…
…101111011101110100
32222000200102222200001
4130313330233131310
51001443340103022
622124235201044
72145202620565
oct346774573564
988020388601
1031003441012
111216a6a8125
126012ba6184
132c0123858b
14170181016c
15c16c89b27
hex737f2f774

31003441012 has 12 divisors (see below), whose sum is σ = 54257306656. Its totient is φ = 15501353400.

The previous prime is 31003441003. The next prime is 31003441013. The reversal of 31003441012 is 21014430013.

It is a super-2 number, since 2×310034410122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003441013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204553 + ... + 322255.

Almost surely, 231003441012 is an apocalyptic number.

It is an amenable number.

31003441012 is a deficient number, since it is larger than the sum of its proper divisors (23253865644).

31003441012 is a wasteful number, since it uses less digits than its factorization.

31003441012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183558 (or 183556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31003441012 its reverse (21014430013), we get a palindrome (52017871025).

The spelling of 31003441012 in words is "thirty-one billion, three million, four hundred forty-one thousand, twelve".

Divisors: 1 2 4 65851 117703 131702 235406 263404 470812 7750860253 15501720506 31003441012