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31103432211233 = 311243380699471
BaseRepresentation
bin1110001001001110101010…
…00001110011101100100001
311002010110101200001220220102
413010213111001303230201
513034044312121224413
6150052415224552145
76360102021416414
oct704472501635441
9132113350056812
1031103432211233
119a01989689158
1235a4078622655
13144806c30a935
147975b2607b7b
1538e111c46458
hex1c49d5073b21

31103432211233 has 8 divisors (see below), whose sum is σ = 32109351515136. Its totient is φ = 30097674331200.

The previous prime is 31103432211199. The next prime is 31103432211277. The reversal of 31103432211233 is 33211223430113.

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 31103432211233 - 26 = 31103432211169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31103432211196 and 31103432211205.

It is not an unprimeable number, because it can be changed into a prime (31103432231233) 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, 39964313 + ... + 40735158.

It is an arithmetic number, because the mean of its divisors is an integer number (4013668939392).

Almost surely, 231103432211233 is an apocalyptic number.

It is an amenable number.

31103432211233 is a deficient number, since it is larger than the sum of its proper divisors (1005919303903).

31103432211233 is a wasteful number, since it uses less digits than its factorization.

31103432211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80711935.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 31103432211233 its reverse (33211223430113), we get a palindrome (64314655641346).

The spelling of 31103432211233 in words is "thirty-one trillion, one hundred three billion, four hundred thirty-two million, two hundred eleven thousand, two hundred thirty-three".

Divisors: 1 31 12433 385423 80699471 2501683601 1003336522943 31103432211233