Search a number
-
+
31204255611163 = 161963973012941
BaseRepresentation
bin1110001100001010011101…
…00100100011100100011011
311002111002122020002022111211
413012011032210203210123
513042222303414024123
6150211012004203551
76400301354240665
oct706051644434433
9132432566068454
1031204255611163
119a40717887868
1235bb7160995b7
1314547195a406b
1479c418b65535
15391a633cb40d
hex1c614e92391b

31204255611163 has 8 divisors (see below), whose sum is σ = 31228420723920. Its totient is φ = 31180096540320.

The previous prime is 31204255611161. The next prime is 31204255611187. The reversal of 31204255611163 is 36111655240213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31204255611163 - 21 = 31204255611161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31204255611161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8850273 + ... + 11863213.

It is an arithmetic number, because the mean of its divisors is an integer number (3903552590490).

Almost surely, 231204255611163 is an apocalyptic number.

31204255611163 is a deficient number, since it is larger than the sum of its proper divisors (24165112757).

31204255611163 is a wasteful number, since it uses less digits than its factorization.

31204255611163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020957.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 31204255611163 in words is "thirty-one trillion, two hundred four billion, two hundred fifty-five million, six hundred eleven thousand, one hundred sixty-three".

Divisors: 1 1619 6397 3012941 10356743 4877951479 19273783577 31204255611163