Base | Representation |
---|---|
bin | 11101110110101101100010… |
… | …110101001101001111000111 |
3 | 122012220110021000210210010221 |
4 | 131312231202311031033013 |
5 | 114202232223422233111 |
6 | 1143131451332325211 |
7 | 36441223206162265 |
oct | 3566554265151707 |
9 | 565813230723127 |
10 | 131303103321031 |
11 | 3892337383a444 |
12 | 12887507773807 |
13 | 5835aa259b155 |
14 | 245d165967435 |
15 | 102a765b71371 |
hex | 776b62d4d3c7 |
131303103321031 has 8 divisors (see below), whose sum is σ = 132662294306640. Its totient is φ = 129944025616128.
The previous prime is 131303103321017. The next prime is 131303103321097. The reversal of 131303103321031 is 130123301303131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131303103321031 - 211 = 131303103318983 is a prime.
It is a super-2 number, since 2×1313031033210312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131303103320987 and 131303103321005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303103351031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25989001 + ... + 30627346.
It is an arithmetic number, because the mean of its divisors is an integer number (16582786788330).
Almost surely, 2131303103321031 is an apocalyptic number.
131303103321031 is a deficient number, since it is larger than the sum of its proper divisors (1359190985609).
131303103321031 is an equidigital number, since it uses as much as digits as its factorization.
131303103321031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56640353.
The product of its (nonzero) digits is 1458, while the sum is 25.
Adding to 131303103321031 its reverse (130123301303131), we get a palindrome (261426404624162).
The spelling of 131303103321031 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred three million, three hundred twenty-one thousand, thirty-one".
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