Base | Representation |
---|---|
bin | 1110100000011010100101… |
… | …10010100111111101111011 |
3 | 11011221121202120222020111002 |
4 | 13100031102302213331323 |
5 | 13140122411421010021 |
6 | 151502413030355215 |
7 | 6501464330342534 |
oct | 720152262477573 |
9 | 134847676866432 |
10 | 31900111110011 |
11 | a1898410a63a1 |
12 | 36b25567bbb0b |
13 | 14a52241c7551 |
14 | 7c3d8b85d68b |
15 | 3a4bdd6b850b |
hex | 1d0352ca7f7b |
31900111110011 has 4 divisors (see below), whose sum is σ = 31924630797024. Its totient is φ = 31875591423000.
The previous prime is 31900111110001. The next prime is 31900111110041. The reversal of 31900111110011 is 11001111100913.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31900111110011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31900111110001) 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, 12259841555 + ... + 12259844156.
It is an arithmetic number, because the mean of its divisors is an integer number (7981157699256).
Almost surely, 231900111110011 is an apocalyptic number.
31900111110011 is a deficient number, since it is larger than the sum of its proper divisors (24519687013).
31900111110011 is a wasteful number, since it uses less digits than its factorization.
31900111110011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24519687012.
The product of its (nonzero) digits is 27, while the sum is 20.
Adding to 31900111110011 its reverse (11001111100913), we get a palindrome (42901222210924).
The spelling of 31900111110011 in words is "thirty-one trillion, nine hundred billion, one hundred eleven million, one hundred ten thousand, eleven".
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