Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0111111100010111011 |
3 | 110110011001011121202211 |
4 | 1321102120333202323 |
5 | 4113203203133311 |
6 | 135454420435551 |
7 | 12260152543114 |
oct | 1712230774273 |
9 | 413131147684 |
10 | 130231302331 |
11 | 5025a1a1a89 |
12 | 212a6248bb7 |
13 | c385a9b810 |
14 | 64360b920b |
15 | 35c3302821 |
hex | 1e5263f8bb |
130231302331 has 32 divisors (see below), whose sum is σ = 154229806080. Its totient is φ = 108857473536.
The previous prime is 130231302319. The next prime is 130231302347. The reversal of 130231302331 is 133203132031.
It is a cyclic number.
It is not a de Polignac number, because 130231302331 - 213 = 130231294139 is a prime.
It is a super-2 number, since 2×1302313023312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130231302301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506580 + ... + 719086.
It is an arithmetic number, because the mean of its divisors is an integer number (4819681440).
Almost surely, 2130231302331 is an apocalyptic number.
130231302331 is a deficient number, since it is larger than the sum of its proper divisors (23998503749).
130231302331 is a wasteful number, since it uses less digits than its factorization.
130231302331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212643.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 130231302331 its reverse (133203132031), we get a palindrome (263434434362).
The spelling of 130231302331 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred two thousand, three hundred thirty-one".
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