Search a number
-
+
1210302220131 = 331719314476781
BaseRepresentation
bin10001100111001011101…
…000100100011101100011
311021201000001011010012000
4101213023220210131203
5124312144332021011
62324001040535043
7153304263062154
oct21471350443543
94251001133160
101210302220131
11427317061604
12176693921483
138a191a9c654
144281687b92b
1521739395356
hex119cba24763

1210302220131 has 64 divisors (see below), whose sum is σ = 2062901145600. Its totient is φ = 696228825600.

The previous prime is 1210302220123. The next prime is 1210302220139. The reversal of 1210302220131 is 1310222030121.

1210302220131 is a `hidden beast` number, since 1 + 2 + 10 + 302 + 220 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (1210302220123) and next prime (1210302220139).

It is not a de Polignac number, because 1210302220131 - 23 = 1210302220123 is a prime.

It is a super-2 number, since 2×12103022201312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210302220139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1968040 + ... + 2508741.

It is an arithmetic number, because the mean of its divisors is an integer number (32232830400).

Almost surely, 21210302220131 is an apocalyptic number.

1210302220131 is a deficient number, since it is larger than the sum of its proper divisors (852598925469).

1210302220131 is a wasteful number, since it uses less digits than its factorization.

1210302220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476857 (or 4476851 counting only the distinct ones).

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

Adding to 1210302220131 its reverse (1310222030121), we get a palindrome (2520524250252).

The spelling of 1210302220131 in words is "one trillion, two hundred ten billion, three hundred two million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 9 17 19 27 31 51 57 93 153 171 279 323 459 513 527 589 837 969 1581 1767 2907 4743 5301 8721 10013 14229 15903 30039 90117 270351 4476781 13430343 40291029 76105277 85058839 120873087 138780211 228315831 255176517 416340633 684947493 765529551 1249021899 1446000263 2054842479 2296588653 2359263587 2636824009 3747065697 4338000789 7077790761 7910472027 13014002367 21233372283 23731416081 39042007101 44826008153 63700116849 71194248243 134478024459 403434073377 1210302220131