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31030254553133 = 1114747191288549
BaseRepresentation
bin1110000111000110010110…
…10011001100100000101101
311001212110111210101201121002
413003203023103030200231
513031344430131200013
6145555034021450045
76351601430531423
oct703431323144055
9131773453351532
1031030254553133
119983947813570
123591a55570925
1314411a9747b24
14793c2d981113
1538c27c69c358
hex1c38cb4cc82d

31030254553133 has 8 divisors (see below), whose sum is σ = 33853482424800. Its totient is φ = 28207409288080.

The previous prime is 31030254553099. The next prime is 31030254553139. The reversal of 31030254553133 is 33135545203013.

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

It is not a de Polignac number, because 31030254553133 - 210 = 31030254552109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030254553139) 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, 95482058 + ... + 95806491.

It is an arithmetic number, because the mean of its divisors is an integer number (4231685303100).

Almost surely, 231030254553133 is an apocalyptic number.

It is an amenable number.

31030254553133 is a deficient number, since it is larger than the sum of its proper divisors (2823227871667).

31030254553133 is a wasteful number, since it uses less digits than its factorization.

31030254553133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191303307.

The product of its (nonzero) digits is 243000, while the sum is 38.

Adding to 31030254553133 its reverse (33135545203013), we get a palindrome (64165799756146).

The spelling of 31030254553133 in words is "thirty-one trillion, thirty billion, two hundred fifty-four million, five hundred fifty-three thousand, one hundred thirty-three".

Divisors: 1 11 14747 162217 191288549 2104174039 2820932232103 31030254553133