Search a number
-
+
31011003414 = 23563808649
BaseRepresentation
bin11100111000011001…
…100101110000010110
32222001012200012100000
4130320121211300112
51002002304102124
622125105232130
72145324115446
oct347031456026
988035605300
1031011003414
11121739a2946
126015632646
132c02985781
14170281c126
15c177806c9
hex738665c16

31011003414 has 24 divisors (see below), whose sum is σ = 69679045800. Its totient is φ = 10337000976.

The previous prime is 31011003403. The next prime is 31011003433. The reversal of 31011003414 is 41430011013.

31011003414 is a `hidden beast` number, since 310 + 1 + 10 + 0 + 341 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31903839 + ... + 31904810.

It is an arithmetic number, because the mean of its divisors is an integer number (2903293575).

Almost surely, 231011003414 is an apocalyptic number.

31011003414 is an abundant number, since it is smaller than the sum of its proper divisors (38668042386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31011003414 is an equidigital number, since it uses as much as digits as its factorization.

31011003414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63808666 (or 63808654 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31011003414 its reverse (41430011013), we get a palindrome (72441014427).

The spelling of 31011003414 in words is "thirty-one billion, eleven million, three thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 63808649 127617298 191425947 382851894 574277841 1148555682 1722833523 3445667046 5168500569 10337001138 15505501707 31011003414