Base | Representation |
---|---|
bin | 1110010010101111001010… |
… | …10000110101111010000001 |
3 | 11010021200122020201220100020 |
4 | 13021113211100311322001 |
5 | 13104422342224234101 |
6 | 150502444311044053 |
7 | 6422515503603621 |
oct | 711274520657201 |
9 | 133250566656306 |
10 | 31430122102401 |
11 | a0184925aa750 |
12 | 3637450370629 |
13 | 146cb037c0049 |
14 | 7a9324306881 |
15 | 397882631136 |
hex | 1c95e5435e81 |
31430122102401 has 32 divisors (see below), whose sum is σ = 47625334525440. Its totient is φ = 18268977436800.
The previous prime is 31430122102397. The next prime is 31430122102409. The reversal of 31430122102401 is 10420122103413.
It is not a de Polignac number, because 31430122102401 - 22 = 31430122102397 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31430122102409) 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, 196784155 + ... + 196943808.
It is an arithmetic number, because the mean of its divisors is an integer number (1488291703920).
Almost surely, 231430122102401 is an apocalyptic number.
It is an amenable number.
31430122102401 is a deficient number, since it is larger than the sum of its proper divisors (16195212423039).
31430122102401 is a wasteful number, since it uses less digits than its factorization.
31430122102401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393728077.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 31430122102401 its reverse (10420122103413), we get a palindrome (41850244205814).
The spelling of 31430122102401 in words is "thirty-one trillion, four hundred thirty billion, one hundred twenty-two million, one hundred two thousand, four hundred one".
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