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12311030130 = 235758623953
BaseRepresentation
bin10110111011100101…
…10110100101110010
31011202222101010110220
423131302312211302
5200203110431010
65353340033510
7614036013060
oct133562664562
934688333426
1012311030130
11524828a173
122476b32896
131212725019
1484b063030
154c0c0c970
hex2ddcb6972

12311030130 has 32 divisors (see below), whose sum is σ = 33767397504. Its totient is φ = 2813949696.

The previous prime is 12311030119. The next prime is 12311030143. The reversal of 12311030130 is 3103011321.

It is a super-2 number, since 2×123110301302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon 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, 29311767 + ... + 29312186.

It is an arithmetic number, because the mean of its divisors is an integer number (1055231172).

Almost surely, 212311030130 is an apocalyptic number.

12311030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311030130 is an abundant number, since it is smaller than the sum of its proper divisors (21456367374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311030130 is a wasteful number, since it uses less digits than its factorization.

12311030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58623970.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12311030130 its reverse (3103011321), we get a palindrome (15414041451).

The spelling of 12311030130 in words is "twelve billion, three hundred eleven million, thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 58623953 117247906 175871859 293119765 351743718 410367671 586239530 820735342 879359295 1231103013 1758718590 2051838355 2462206026 4103676710 6155515065 12311030130