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31030001231230 = 2543521138508241
BaseRepresentation
bin1110000111000101111000…
…01100110110010101111110
311001212102212010201122021101
413003202330030312111332
513031343420303344410
6145554552532123314
76351562233402541
oct703427414662576
9131772763648241
1031030001231230
119983827821021
1235919a476653a
131441169111401
14793c0807c858
1538c26530dd3a
hex1c38bc33657e

31030001231230 has 32 divisors (see below), whose sum is σ = 57262631440608. Its totient is φ = 12100079846400.

The previous prime is 31030001231227. The next prime is 31030001231287. The reversal of 31030001231230 is 3213210003013.

It is a junction number, because it is equal to n+sod(n) for n = 31030001231198 and 31030001231207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69030091 + ... + 69478150.

It is an arithmetic number, because the mean of its divisors is an integer number (1789457232519).

Almost surely, 231030001231230 is an apocalyptic number.

31030001231230 is a deficient number, since it is larger than the sum of its proper divisors (26232630209378).

31030001231230 is a wasteful number, since it uses less digits than its factorization.

31030001231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138508812.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31030001231230 its reverse (3213210003013), we get a palindrome (34243211234243).

The spelling of 31030001231230 in words is "thirty-one trillion, thirty billion, one million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 521 1042 2605 5210 22403 44806 112015 224030 138508241 277016482 692541205 1385082410 5955854363 11911708726 29779271815 59558543630 72162793561 144325587122 360813967805 721627935610 3103000123123 6206000246246 15515000615615 31030001231230