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123031011330101 = 7315322347970487
BaseRepresentation
bin11011111110010101100011…
…101110100000100000110101
3121010121122112201100002212002
4123332111203232200200311
5112111220002400030401
61113355355532505045
734625461103330330
oct3376254356404065
9533548481302762
10123031011330101
1136224182536216
121197029891b185
135385a0b9c7c34
142254a3882b617
15e354bb691a6b
hex6fe563ba0835

123031011330101 has 32 divisors (see below), whose sum is σ = 148544261849088. Its totient is φ = 99678832269120.

The previous prime is 123031011330089. The next prime is 123031011330107. The reversal of 123031011330101 is 101033110130321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123031011330101 is a prime.

It is a super-3 number, since 3×1230310113301013 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031011330107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21420521 + ... + 26549966.

It is an arithmetic number, because the mean of its divisors is an integer number (4642008182784).

Almost surely, 2123031011330101 is an apocalyptic number.

It is an amenable number.

123031011330101 is a deficient number, since it is larger than the sum of its proper divisors (25513250518987).

123031011330101 is a wasteful number, since it uses less digits than its factorization.

123031011330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47970801.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 123031011330101 its reverse (101033110130321), we get a palindrome (224064121460422).

The spelling of 123031011330101 in words is "one hundred twenty-three trillion, thirty-one billion, eleven million, three hundred thirty thousand, one hundred one".

Divisors: 1 7 31 53 217 223 371 1561 1643 6913 11501 11819 48391 82733 366389 2564723 47970487 335793409 1487085097 2542435811 10409595679 10697418601 17797050677 74881930207 78815510141 331619976631 551708570987 566963185853 2321339836417 3968742300971 17575858761443 123031011330101