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31202002011212 = 2261342113737893
BaseRepresentation
bin1110001100000110010000…
…01111110000010001001100
311002110212211011112120112222
413012003020033300101030
513042203200003324322
6150210000221514512
76400161461041514
oct706031017602114
9132425734476488
1031202002011212
119a3a77077886a
1235bb1a7412a38
13145444a726876
1479c283734844
15391980622e42
hex1c60c83f044c

31202002011212 has 24 divisors (see below), whose sum is σ = 55500280015152. Its totient is φ = 15344794238400.

The previous prime is 31202002011197. The next prime is 31202002011263. The reversal of 31202002011212 is 21211020020213.

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, 6478538 + ... + 10216430.

It is an arithmetic number, because the mean of its divisors is an integer number (2312511667298).

Almost surely, 231202002011212 is an apocalyptic number.

It is an amenable number.

31202002011212 is a deficient number, since it is larger than the sum of its proper divisors (24298278003940).

31202002011212 is a wasteful number, since it uses less digits than its factorization.

31202002011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772169 (or 3772167 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31202002011212 its reverse (21211020020213), we get a palindrome (52413022031425).

The spelling of 31202002011212 in words is "thirty-one trillion, two hundred two billion, two million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 61 122 244 34211 68422 136844 2086871 3737893 4173742 7475786 8347484 14951572 228011473 456022946 912045892 127877057423 255754114846 511508229692 7800500502803 15601001005606 31202002011212