Base | Representation |
---|---|
bin | 11100111000011010… |
… | …011111110101100111 |
3 | 2222001020010021200022 |
4 | 130320122133311213 |
5 | 1002002334210234 |
6 | 22125114305355 |
7 | 2145326126162 |
oct | 347032376547 |
9 | 88036107608 |
10 | 31011241319 |
11 | 12174045663 |
12 | 601572825b |
13 | 2c02a39b46 |
14 | 1702880ad9 |
15 | c177cae2e |
hex | 73869fd67 |
31011241319 has 2 divisors, whose sum is σ = 31011241320. Its totient is φ = 31011241318.
The previous prime is 31011241301. The next prime is 31011241369. The reversal of 31011241319 is 91314211013.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31011241319 is a prime.
It is a super-2 number, since 2×310112413192 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31011241369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505620659 + 15505620660.
It is an arithmetic number, because the mean of its divisors is an integer number (15505620660).
Almost surely, 231011241319 is an apocalyptic number.
31011241319 is a deficient number, since it is larger than the sum of its proper divisors (1).
31011241319 is an equidigital number, since it uses as much as digits as its factorization.
31011241319 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 26.
The spelling of 31011241319 in words is "thirty-one billion, eleven million, two hundred forty-one thousand, three hundred nineteen".
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