Base | Representation |
---|---|
bin | 10011000011101001… |
… | …11100000101010011 |
3 | 222102000210220211021 |
4 | 21201310330011103 |
5 | 131423141432011 |
6 | 4411122100311 |
7 | 511352532433 |
oct | 114164740523 |
9 | 28360726737 |
10 | 10231202131 |
11 | 4380279657 |
12 | 1b964aa697 |
13 | c7087a977 |
14 | 6d0b482c3 |
15 | 3ed32c471 |
hex | 261d3c153 |
10231202131 has 4 divisors (see below), whose sum is σ = 10332501264. Its totient is φ = 10129903000.
The previous prime is 10231202083. The next prime is 10231202141. The reversal of 10231202131 is 13120213201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13120213201 = 101 ⋅129903101.
It is a cyclic number.
It is not a de Polignac number, because 10231202131 - 233 = 1641267539 is a prime.
It is a super-2 number, since 2×102312021312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10231202141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50649415 + ... + 50649616.
It is an arithmetic number, because the mean of its divisors is an integer number (2583125316).
Almost surely, 210231202131 is an apocalyptic number.
10231202131 is a deficient number, since it is larger than the sum of its proper divisors (101299133).
10231202131 is a wasteful number, since it uses less digits than its factorization.
10231202131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101299132.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 10231202131 its reverse (13120213201), we get a palindrome (23351415332).
The spelling of 10231202131 in words is "ten billion, two hundred thirty-one million, two hundred two thousand, one hundred thirty-one".
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