Base | Representation |
---|---|
bin | 11101001101111110… |
… | …100001110011100111 |
3 | 2222222102211221102002 |
4 | 131031332201303213 |
5 | 1003222442224403 |
6 | 22225040235515 |
7 | 2160311111633 |
oct | 351576416347 |
9 | 88872757362 |
10 | 31373008103 |
11 | 1233a277378 |
12 | 60b690bb9b |
13 | 2c5c982b28 |
14 | 1738931dc3 |
15 | c3943b188 |
hex | 74dfa1ce7 |
31373008103 has 2 divisors, whose sum is σ = 31373008104. Its totient is φ = 31373008102.
The previous prime is 31373008061. The next prime is 31373008123. The reversal of 31373008103 is 30180037313.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31373008103 - 214 = 31372991719 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31373008123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15686504051 + 15686504052.
It is an arithmetic number, because the mean of its divisors is an integer number (15686504052).
Almost surely, 231373008103 is an apocalyptic number.
31373008103 is a deficient number, since it is larger than the sum of its proper divisors (1).
31373008103 is an equidigital number, since it uses as much as digits as its factorization.
31373008103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4536, while the sum is 29.
The spelling of 31373008103 in words is "thirty-one billion, three hundred seventy-three million, eight thousand, one hundred three".
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