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31302212013022 = 218186470198931
BaseRepresentation
bin1110001111000000111010…
…01110100100101111011110
311002211110110222100010010111
413013200131032210233132
513100323412233404042
6150324012050000234
76410336665022266
oct707403516445736
9132743428303114
1031302212013022
119a792146a8385
1236166b357607a
131460a2a8b2c22
147a306c61c7a6
15394397ee0517
hex1c781d3a4bde

31302212013022 has 8 divisors (see below), whose sum is σ = 47212728616872. Its totient is φ = 15564635807400.

The previous prime is 31302212012999. The next prime is 31302212013139. The reversal of 31302212013022 is 22031021220313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31302212012984 and 31302212013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43235099104 + ... + 43235099827.

It is an arithmetic number, because the mean of its divisors is an integer number (5901591077109).

Almost surely, 231302212013022 is an apocalyptic number.

31302212013022 is a deficient number, since it is larger than the sum of its proper divisors (15910516603850).

31302212013022 is a wasteful number, since it uses less digits than its factorization.

31302212013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86470199114.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31302212013022 its reverse (22031021220313), we get a palindrome (53333233233335).

The spelling of 31302212013022 in words is "thirty-one trillion, three hundred two billion, two hundred twelve million, thirteen thousand, twenty-two".

Divisors: 1 2 181 362 86470198931 172940397862 15651106006511 31302212013022