Base | Representation |
---|---|
bin | 11101001100011110… |
… | …001110001101111001 |
3 | 2222220200100022022202 |
4 | 131030132032031321 |
5 | 1003200011341131 |
6 | 22222335155545 |
7 | 2156553403151 |
oct | 351436161571 |
9 | 88820308282 |
10 | 31347762041 |
11 | 12326aa3662 |
12 | 60aa375bb5 |
13 | 2c5768392b |
14 | 173543d761 |
15 | c37100bcb |
hex | 74c78e379 |
31347762041 has 2 divisors, whose sum is σ = 31347762042. Its totient is φ = 31347762040.
The previous prime is 31347762011. The next prime is 31347762053. The reversal of 31347762041 is 14026774313.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23110384441 + 8237377600 = 152021^2 + 90760^2 .
It is a cyclic number.
It is not a de Polignac number, because 31347762041 - 234 = 14167892857 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31347761986 and 31347762004.
It is not a weakly prime, because it can be changed into another prime (31347762011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15673881020 + 15673881021.
It is an arithmetic number, because the mean of its divisors is an integer number (15673881021).
Almost surely, 231347762041 is an apocalyptic number.
It is an amenable number.
31347762041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31347762041 is an equidigital number, since it uses as much as digits as its factorization.
31347762041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84672, while the sum is 38.
The spelling of 31347762041 in words is "thirty-one billion, three hundred forty-seven million, seven hundred sixty-two thousand, forty-one".
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