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311321312332 = 221912785937549
BaseRepresentation
bin1001000011111000011…
…00100011110001001100
31002202120111222021122021
410201330030203301030
520100041223443312
6355004040055524
731330555331002
oct4417414436114
91082514867567
10311321312332
11110037845878
1250404a645a4
13234854a68a4
14110d4972a72
15817156bc07
hex487c323c4c

311321312332 has 48 divisors (see below), whose sum is σ = 578690560000. Its totient is φ = 146132610624.

The previous prime is 311321312327. The next prime is 311321312347. The reversal of 311321312332 is 233213123113.

It is a junction number, because it is equal to n+sod(n) for n = 311321312297 and 311321312306.

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 15 ways as a sum of consecutive naturals, for example, 8272294 + ... + 8309842.

Almost surely, 2311321312332 is an apocalyptic number.

It is an amenable number.

311321312332 is a deficient number, since it is larger than the sum of its proper divisors (267369247668).

311321312332 is a wasteful number, since it uses less digits than its factorization.

311321312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38558 (or 38556 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 311321312332 its reverse (233213123113), we get a palindrome (544534435445).

The spelling of 311321312332 in words is "three hundred eleven billion, three hundred twenty-one million, three hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 4 19 38 76 127 254 508 859 1718 2413 3436 4826 9652 16321 32642 37549 65284 75098 109093 150196 218186 436372 713431 1426862 2072767 2853724 4145534 4768723 8291068 9537446 19074892 32254591 64509182 90605737 129018364 181211474 362422948 612837229 1225674458 2451348916 4096333057 8192666114 16385332228 77830328083 155660656166 311321312332