Search a number
-
+
31033103210330 = 2513793593841003
BaseRepresentation
bin1110000111001011101010…
…00101111101011101011010
311001212201212022122111122012
413003211311011331131122
513031421243410212310
6150000224422225522
76352032140652434
oct703456505753532
9131781768574565
1031033103210330
119985079804911
12359250b5852a2
1314415419801c0
1479402002d654
1538c3977e8c05
hex1c397517d75a

31033103210330 has 64 divisors (see below), whose sum is σ = 60934978460160. Its totient is φ = 11310171664896.

The previous prime is 31033103210297. The next prime is 31033103210387. The reversal of 31033103210330 is 3301230133013.

It is a junction number, because it is equal to n+sod(n) for n = 31033103210296 and 31033103210305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36479609 + ... + 37320611.

It is an arithmetic number, because the mean of its divisors is an integer number (952109038440).

Almost surely, 231033103210330 is an apocalyptic number.

31033103210330 is a deficient number, since it is larger than the sum of its proper divisors (29901875249830).

31033103210330 is a wasteful number, since it uses less digits than its factorization.

31033103210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844695.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 31033103210330 its reverse (3301230133013), we get a palindrome (34334333343343).

The spelling of 31033103210330 in words is "thirty-one trillion, thirty-three billion, one hundred three million, two hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 79 130 158 395 790 1027 2054 3593 5135 7186 10270 17965 35930 46709 93418 233545 283847 467090 567694 841003 1419235 1682006 2838470 3690011 4205015 7380022 8410030 10933039 18450055 21866078 36900110 54665195 66439237 109330390 132878474 332196185 664392370 863710081 1727420162 3021723779 4318550405 6043447558 8637100810 15108618895 30217237790 39282409127 78564818254 196412045635 238716178541 392824091270 477432357082 1193580892705 2387161785410 3103310321033 6206620642066 15516551605165 31033103210330