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31405114204 = 22231753194729
BaseRepresentation
bin11101001111111001…
…000000001101011100
310000001200021002200221
4131033321000031130
51003304202123304
622232144331124
72161151031502
oct351771001534
9100050232627
1031405114204
1112356406142
126105613aa4
132c66514619
14173cccc672
15c3c17e054
hex74fe4035c

31405114204 has 24 divisors (see below), whose sum is σ = 57381478560. Its totient is φ = 15011192064.

The previous prime is 31405114177. The next prime is 31405114211. The reversal of 31405114204 is 40241150413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63912 + ... + 258640.

It is an arithmetic number, because the mean of its divisors is an integer number (2390894940).

Almost surely, 231405114204 is an apocalyptic number.

It is an amenable number.

31405114204 is a deficient number, since it is larger than the sum of its proper divisors (25976364356).

31405114204 is a wasteful number, since it uses less digits than its factorization.

31405114204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196509 (or 196507 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 31405114204 its reverse (40241150413), we get a palindrome (71646264617).

The spelling of 31405114204 in words is "thirty-one billion, four hundred five million, one hundred fourteen thousand, two hundred four".

Divisors: 1 2 4 23 46 92 1753 3506 7012 40319 80638 161276 194729 389458 778916 4478767 8957534 17915068 341359937 682719874 1365439748 7851278551 15702557102 31405114204