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31210000211030 = 25531009286120399
BaseRepresentation
bin1110001100010101001001…
…11110011101110001010110
311002111122110120120020001212
413012022210332131301112
513042321040023223110
6150213402015021422
76400563620443364
oct706124476356126
9132448416506055
1031210000211030
119a430a5526763
123600859b0a872
131455123789494
1479c801a90634
15391c9c8b4e05
hex1c62a4f9dc56

31210000211030 has 64 divisors (see below), whose sum is σ = 57317525856000. Its totient is φ = 12231437137920.

The previous prime is 31210000211023. The next prime is 31210000211051. The reversal of 31210000211030 is 3011200001213.

It is a super-2 number, since 2×312100002110302 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31210000210996 and 31210000211014.

It is a congruent number.

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, 1529966771 + ... + 1529987169.

It is an arithmetic number, because the mean of its divisors is an integer number (895586341500).

Almost surely, 231210000211030 is an apocalyptic number.

31210000211030 is a deficient number, since it is larger than the sum of its proper divisors (26107525644970).

31210000211030 is a wasteful number, since it uses less digits than its factorization.

31210000211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24329.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31210000211030 its reverse (3011200001213), we get a palindrome (34221200212243).

The spelling of 31210000211030 in words is "thirty-one trillion, two hundred ten billion, two hundred eleven thousand, thirty".

Divisors: 1 2 5 10 53 106 265 530 1009 2018 2861 5045 5722 10090 14305 20399 28610 40798 53477 101995 106954 151633 203990 267385 303266 534770 758165 1081147 1516330 2162294 2886749 5405735 5773498 10811470 14433745 20582591 28867490 41165182 58361539 102912955 116723078 152997697 205825910 291807695 305995394 583615390 764988485 1090877323 1529976970 2181754646 3093161567 5454386615 6186323134 10908773230 15465807835 30931615670 58886792851 117773585702 294433964255 588867928510 3121000021103 6242000042206 15605000105515 31210000211030