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130312112331 = 31109293913327
BaseRepresentation
bin111100101011100110…
…1010000100011001011
3110110100200020012020210
41321113031100203023
54113334400043311
6135510424452203
712262153451562
oct1712715204313
9413320205223
10130312112331
11502a0876805
122130931a063
13c39975379b
146442b12bd9
1535ca4663a6
hex1e573508cb

130312112331 has 16 divisors (see below), whose sum is σ = 173978380800. Its totient is φ = 86760362208.

The previous prime is 130312112291. The next prime is 130312112347. The reversal of 130312112331 is 133211213031.

It is a happy number.

It is not a de Polignac number, because 130312112331 - 218 = 130311850187 is a prime.

It is a super-2 number, since 2×1303121123312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130312112298 and 130312112307.

It is not an unprimeable number, because it can be changed into a prime (130312116331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9771390 + ... + 9784716.

It is an arithmetic number, because the mean of its divisors is an integer number (10873648800).

Almost surely, 2130312112331 is an apocalyptic number.

130312112331 is a deficient number, since it is larger than the sum of its proper divisors (43666268469).

130312112331 is a wasteful number, since it uses less digits than its factorization.

130312112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 130312112331 its reverse (133211213031), we get a palindrome (263523325362).

The spelling of 130312112331 in words is "one hundred thirty billion, three hundred twelve million, one hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 1109 2939 3327 8817 13327 39981 3259351 9778053 14779643 39168053 44338929 117504159 43437370777 130312112331