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311202001012211 = 1496797333072683
BaseRepresentation
bin100011011000010010101110…
…0101110010100010111110011
31111210212121202112010220101022
41012300211130232110113303
5311242213144224342321
63021512120422330055
7122356413460146311
oct10660453456242763
91453777675126338
10311202001012211
1190182033608731
122aaa104858992b
13104852b858801a
1456bc385b2d0b1
1525ea128e9edab
hex11b095cb945f3

311202001012211 has 8 divisors (see below), whose sum is σ = 313291167908400. Its totient is φ = 309112841621152.

The previous prime is 311202001012193. The next prime is 311202001012213. The reversal of 311202001012211 is 112210100202113.

It is a happy number.

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 311202001012211 - 226 = 311201933903347 is a prime.

It is a super-2 number, since 2×3112020010122112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311202001012211.

It is not an unprimeable number, because it can be changed into a prime (311202001012213) 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, 99743876 + ... + 102816558.

It is an arithmetic number, because the mean of its divisors is an integer number (39161395988550).

Almost surely, 2311202001012211 is an apocalyptic number.

311202001012211 is a deficient number, since it is larger than the sum of its proper divisors (2089166896189).

311202001012211 is a wasteful number, since it uses less digits than its factorization.

311202001012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752565.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 311202001012211 its reverse (112210100202113), we get a palindrome (423412101214324).

The spelling of 311202001012211 in words is "three hundred eleven trillion, two hundred two billion, one million, twelve thousand, two hundred eleven".

Divisors: 1 149 679733 3072683 101280217 457829767 2088604033639 311202001012211